Affording unobstructed entrance and exit; not shut or closed.
Affording unobstructed passage or view: open waters; the open countryside.
Having no protecting or concealing cover: an open wound; an open sports car.
Completely obvious; blatant: open disregard of the law.
Carried on in full view: open warfare; open family strife.
Sports Not closely defended by an opponent: an open receiver.
Not sealed or tied: an open package.
Spread out; unfolded: an open book.
Accessible to all; unrestricted as to participants: an open competition.
Free from limitations, boundaries, or restrictions: open registration.
Enterable by registered voters regardless of political affiliation: an open primary.
Computer Science Of or relating to a file that can be accessed.
Lacking effective regulation: an open town in which gambling predominated.
Not legally repressed: open drug trafficking.
Susceptible; vulnerable: open to interpretation; an issue that is open to question.
Willing to consider or deal with something: open to suggestions.
Available; obtainable: The job is still open.
Available for use: an open account; the only course open to us.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Having no protecting or concealing cover: an open wound; an open sports car.
Completely obvious; blatant: open disregard of the law.
Carried on in full view: open warfare; open family strife.
Sports Not closely defended by an opponent: an open receiver.
Not sealed or tied: an open package.
Spread out; unfolded: an open book.
Accessible to all; unrestricted as to participants: an open competition.
Free from limitations, boundaries, or restrictions: open registration.
Enterable by registered voters regardless of political affiliation: an open primary.
Computer Science Of or relating to a file that can be accessed.
Lacking effective regulation: an open town in which gambling predominated.
Not legally repressed: open drug trafficking.
Susceptible; vulnerable: open to interpretation; an issue that is open to question.
Willing to consider or deal with something: open to suggestions.
Available; obtainable: The job is still open.
Available for use: an open account; the only course open to us.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Not sealed or tied: an open package.
Spread out; unfolded: an open book.
Accessible to all; unrestricted as to participants: an open competition.
Free from limitations, boundaries, or restrictions: open registration.
Enterable by registered voters regardless of political affiliation: an open primary.
Computer Science Of or relating to a file that can be accessed.
Lacking effective regulation: an open town in which gambling predominated.
Not legally repressed: open drug trafficking.
Susceptible; vulnerable: open to interpretation; an issue that is open to question.
Willing to consider or deal with something: open to suggestions.
Available; obtainable: The job is still open.
Available for use: an open account; the only course open to us.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Having interspersed gaps, spaces, or intervals: open ranks; an open weave.
Accessible to all; unrestricted as to participants: an open competition.
Free from limitations, boundaries, or restrictions: open registration.
Enterable by registered voters regardless of political affiliation: an open primary.
Computer Science Of or relating to a file that can be accessed.
Lacking effective regulation: an open town in which gambling predominated.
Not legally repressed: open drug trafficking.
Susceptible; vulnerable: open to interpretation; an issue that is open to question.
Willing to consider or deal with something: open to suggestions.
Available; obtainable: The job is still open.
Available for use: an open account; the only course open to us.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Lacking effective regulation: an open town in which gambling predominated.
Not legally repressed: open drug trafficking.
Susceptible; vulnerable: open to interpretation; an issue that is open to question.
Willing to consider or deal with something: open to suggestions.
Available; obtainable: The job is still open.
Available for use: an open account; the only course open to us.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Susceptible; vulnerable: open to interpretation; an issue that is open to question.
Willing to consider or deal with something: open to suggestions.
Available; obtainable: The job is still open.
Available for use: an open account; the only course open to us.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Available; obtainable: The job is still open.
Available for use: an open account; the only course open to us.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Ready to transact business: The store is open.
Not engaged or filled: has an open hour for emergency cases.
Not yet decided; subject to further thought: an open question.
Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.
Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
Generous: He is very open with his time.
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Printing
Widely spaced or leaded. Used of typeset or other printed matter.
Having constituent elements separated by a space in writing or printing: The word sea horse is an open compound.
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Music
Not stopped by a finger. Used of a string or hole of an instrument.
Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
Played without a mute: an open wind instrument.
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Linguistics
Articulated with the tongue in a low position, as the vowel in far.
Ending in a vowel or diphthong: an open syllable.
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Designating a method of punctuation in which commas and other marks are used sparingly.
Being in operation; live: an open microphone.
New England Clear. Used of weather. See Regional Note at fair1.
Electricity Containing a gap across which electricity cannot pass: an open circuit.
Mathematics
Of or relating to an interval containing neither of its endpoints.
Of or being a set such that at least one neighborhood of every point in the set is within the set.
Of or being a set that is the complement of a closed set.
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Sports
Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
Physics Of or relating to a model of the universe in which there is not sufficient matter to halt its expansion.
v.
o·pened, o·pen·ing, o·pens
v.
tr.
To release from a closed or fastened position.
To remove obstructions from; clear.
To make or force an opening in: open an old wound.
To form spaces or gaps between: soldiers opening ranks.
To break the continuity of; make a gap in: open a circuit.
To remove the cover, cork, or lid from.
To remove the wrapping from; undo.
To get (something) going; initiate: open a campaign.
To commence the operation of: open a new business.
To remove the cover, cork, or lid from.
To remove the wrapping from; undo.
To get (something) going; initiate: open a campaign.
To commence the operation of: open a new business.
To unfold so that the inner parts are displayed; spread out: open a newspaper.
To get (something) going; initiate: open a campaign.
To commence the operation of: open a new business.
Games To begin (the action in a game of cards) by making the first bid, placing the first bet, or playing the first lead.
To make available for use: opened the area to commercial development; opened the computer file and retrieved some data.
To make more responsive or understanding.
To reveal the secrets of; bare.
Sports To modify (one's stance), as in baseball or golf, so that it is open.
Law To recall (an order or judgment) for a reexamination of its merits.
v.
intr.
To become open: The door opened slowly.
To draw apart; separate: The wound opened under pressure.
To spread apart; unfold.
To come into view; become revealed: The plain opened before us.
To become receptive or understanding.
To begin; commence: The meeting opened with a call to order.
To begin business or operation: The store opens early on Saturday.
To be performed, shown, or made available to the public for the first time: The play opens next week.
To be priced or listed at a specified amount when trading begins: Shares opened high and fell sharply.
Games To make a bid, bet, or lead in starting a game of cards.
To give access: The room opens onto a terrace.
n.
An unobstructed area of land or water.
The outdoors: camping in the open.
An undisguised or unconcealed state: brought the problem out into the open.
A tournament or contest in which both professional and amateur players may participate.
Phrasal Verb(s): open up
To spread out; unfold: A green valley opened up before us.
To begin operation: The new store opens up next month.
To begin firing: The artillery opened up at dawn.
Informal To speak freely and candidly: At last the frightened witness opened up and told the truth.
To make an opening in by cutting: The surgeon opened up the patient's chest.
To make available or accessible: open up new markets.
Informal To accelerate. Used of a motor vehicle.
Idiom(s):
open fireTo begin firing on.
Idiom(s):
open (one's) eyesTo become aware of the truth of a situation.
[Middle English, from Old English; see upo in Indo-European roots.] o'pen·ly adv., o'pen·ness n.
Begin a verbal attack, as in In her second letter to the editor she opened fire, saying the reporter had deliberately misquoted her. This idiom alludes to discharging a firearm. [Mid-1800s]
(ō'pən) 