interfere definition | Dictionary.com

Synonyms

butt in, adventitious, officious, overattentive, solicitous, intercession, interference, intervention, intrusion, maintenance, static, block

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in⋅ter⋅fere

[in-ter-feer]

–verb (used without object), -fered, -fer⋅ing.

1.	to come into opposition, as one thing with another, esp. with the effect of hampering action or procedure (often fol. by with): Constant distractions interfere with work.

2.	to take part in the affairs of others; meddle (often fol. by with or in): to interfere in another's life.

3.	(of things) to strike against each other, or one against another, so as to hamper or hinder action; come into physical collision.

4.	to interpose or intervene for a particular purpose.

5.	to strike one foot or leg against another in moving, as a horse.

Sports.

a.	to obstruct the action of an opposing player in a way barred by the rules.

b.	Football. to run interference for a teammate carrying the ball.

7.	Physics. to cause interference.

8.	to clash; come in collision; be in opposition: The claims of two nations may interfere.

9.	Law. to claim earlier invention when several patent requests for the same invention are being filed.

—Verb phrase

10.	interfere with, Chiefly British. to molest sexually.

Origin:
1520–30; inter- + -fere < L ferīre to strike; modeled on MF s'entreferir

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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Language Translation for : interfere

Spanish:

interferir, entrometerse,

Italian:

interferire,

Japanese:

干渉する

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in·ter·fere (ĭn'tər-fîr') Pronunciation Key
intr.v. in·ter·fered, in·ter·fer·ing, in·ter·feres

To be or create a hindrance or obstacle: loud talking that interfered with the other patrons' conversations; assistance that only interfered.
Sports To perform an act of interference.
To intervene or intrude in the affairs of others; meddle.
To strike one hoof against the opposite hoof or leg while moving. Used of a horse.
Physics & Electronics To cause interference.

[Middle English enterferen, from Old French s'entreferer, to strike one another : entre-, between (from Latin inter-; see inter-) + ferir, to strike (from Latin ferīre).]

in'ter·fer'er n., in'ter·fer'ing·ly adv.

Synonyms: These verbs mean to intervene unasked in the affairs of others and often in an impudent or indiscreet manner. Interfere implies action that seriously hampers, hinders, or frustrates: "Romantics of all ages can recall occasions when lust interfered with reason" (Christine Gorman).
Meddle stresses unwanted, unwarranted, or unnecessary intrusion: "wholly unacquainted with the world in which they are so fond of meddling" (Edmund Burke).
To tamper is to interfere by making unsought, unwelcome, often destructive changes or by trying to influence another in an improper way: "a large number of persons accused of . . . tampering with ballot boxes" (James Bryce).

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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interfere

1440, "to strike against," from M.Fr. enterferer "to strike each other," from entre- "between" + ferir "to strike," from L. ferire "to knock, strike," related to L. forare "to bore, pierce," and cognate with O.E. borian "to bore" (cf. punch (v.), which has both the sense "to hit" and "to make a hole in"). Fig. sense of "to meddle with, oppose unrightfully" is from 1632.

interfere
verb
1.	come between so as to be hindrance or obstacle; "Your talking interferes with my work!"
2.	get involved, so as to alter or hinder an action, or through force or threat of force; "Why did the U.S. not intervene earlier in WW II?" [syn: intervene]

Interfere

In`ter*fere"\, v. i. [imp. & p. p. Interfered; p. pr. & vb. n. Interfering.] [OF. entreferir to strike each other; entre between (L. inter) + OF. ferir to strike, F. f['e]rir, fr. L. ferire. See Ferula.]

1. To come in collision; to be in opposition; to clash; as, interfering claims, or commands.

2. To enter into, or take a part in, the concerns of others; to intermeddle; to interpose.

To interfere with party disputes. --Swift.

There was no room for anyone to interfere with his own opinions. --Bp. Warburton.

3. To strike one foot against the opposite foot or ankle in using the legs; -- sometimes said of a human being, but usually of a horse; as, the horse interferes.

4. (Physics) To act reciprocally, so as to augment, diminish, or otherwise affect one another; -- said of waves, rays of light, heat, etc. See Interference, 2.

5. (Patent Law) To cover the same ground; to claim the same invention.

Syn: To interpose; intermeddle. See Interpose.

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