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22 dictionary results for: Must
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
must1       [muhst] Pronunciation Key
–auxiliary verb
1.to be obliged or bound to by an imperative requirement: I must keep my word.
2.to be under the necessity to; need to: Animals must eat to live.
3.to be required or compelled to, as by the use or threat of force: You must obey the law.
4.to be compelled to in order to fulfill some need or achieve an aim: We must hurry if we're to arrive on time.
5.to be forced to, as by convention or the requirements of honesty: I must say, that is a lovely hat.
6.to be or feel urged to; ought to: I must buy that book.
7.to be reasonably expected to; is bound to: It must have stopped raining by now. She must be at least 60.
8.to be inevitably certain to; be compelled by nature: Everyone must die.
–verb (used without object)
9.to be obliged; be compelled: Do I have to go? I must, I suppose.
10.Archaic. (sometimes used with ellipsis of go, get, or some similar verb readily understood from the context): We must away.
–adjective
11.necessary; vital: A raincoat is must clothing in this area.
–noun
12.something necessary, vital, or required: This law is a must.

[Origin: bef. 900; ME most(e), OE mōste (past tense); c. G musste. See mote2]

1. Must, ought, should express necessity or duty. Must expresses necessity or compulsion: I must attend to those patients first. Soldiers must obey orders. Ought (weaker than must) expresses obligation, duty, desirability: You ought to tell your mother. Should expresses obligation, expectation, or probability: You are not behaving as you should. Children should be taught to speak the truth. They should arrive at one o'clock.
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
must2       [muhst] Pronunciation Key
–noun
new wine; the unfermented juice as pressed from the grape or other fruit.

[Origin: bef. 900; ME, OE < L mustum, short for vīnum mustum new wine]
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
must3       [muhst] Pronunciation Key
–noun
mold; moldiness; mustiness: a castle harboring the must of centuries.

[Origin: 1595–1605; back formation from musty1]
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
must4       [muhst] Pronunciation Key
–noun
musth.
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
must5       [muhst] Pronunciation Key Obsolete
–noun
1.musk, esp. a powder made from musk.
–verb (used with object)
2.to powder (the hair).

[Origin: 1480–90; earlier moist < MF must, var. of musc musk]
American Heritage Dictionary - Cite This Source - Share This
must 1       (mŭst)  Pronunciation Key 
v.  
v.   aux.
  1. To be obliged or required by morality, law, or custom: Citizens must register in order to vote.
  2. To be compelled, as by a physical necessity or requirement: Plants must have oxygen in order to live.
  3. Used to express a command or admonition: You must not go there alone. You simply must be careful.
  4. To be determined to; have as a fixed resolve: If you must leave, do it quietly.
    1. Used to indicate inevitability or certainty: We all must die.
    2. Used to indicate logical probability or presumptive certainty: If the lights were on, they must have been at home.

v.   intr. Archaic
To be required or obliged to go: "I must from hence" (Shakespeare).

n.   Something that is absolutely required or indispensable: Promptness on the job is a must. Comfortable boots are a must when going on a hike.


[Middle English moste, from Old English mōste, past tense of mōtan, to be allowed; see med- in Indo-European roots.]

American Heritage Dictionary - Cite This Source - Share This
must 2       (mŭst)  Pronunciation Key 
n.   The quality or condition of being stale or musty.


[Probably back-formation from musty.]

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must 3       (mŭst)  Pronunciation Key 
n.   The unfermented or fermenting juice expressed from fruit, especially grapes.


[Middle English, from Old English, from Latin mustum, from neuter of mustus, new, fresh.]

American Heritage Dictionary - Cite This Source - Share This
must 4       (mŭst)  Pronunciation Key 
n.   Variant of musth.

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must 5       (mŭst)  Pronunciation Key 
n.   Musk.


[Scottish, from Old French, variant of musc; see musk.]

American Heritage Dictionary - Cite This Source - Share This
musth also must       (mŭst)  Pronunciation Key 
n.   An annual period of heightened aggressiveness and sexual activity in male elephants, during which violent frenzies occur.


[Urdu mast, from Persian, drunk, from Middle Persian.]

Online Etymology Dictionary - Cite This Source - Share This
must  (v.)
O.E. moste, pt. of motan "have to, be able to," from P.Gmc. *motanan "to fix, allot, appoint, to have room, to be able" (cf. O.Fris. mota, M.L.G. moten, Du. moeten, Ger. müssen "to be obliged to," Goth. gamotan "to have room to, to be able to"), from PIE base *med- "to measure." Used as present tense from c.1300, from the custom of using past subjunctive as a moderate or polite form of the present. The noun meaning "something that has to be seen or experienced" is from 1892.

Online Etymology Dictionary - Cite This Source - Share This
must  (n1.)
"new wine," O.E. must, from L. mustum, short for vinum mustum "fresh wine," neut. of mustus "fresh, new."

Online Etymology Dictionary - Cite This Source - Share This
must  (n2.)
"mold," 1602, perhaps a back-formation of musty (q.v.).

Online Etymology Dictionary - Cite This Source - Share This
must  (n3.)
"male elephant frenzy," 1871, from Urdu mast "intoxicated, in rut," from Pers. mast, lit. "intoxicated," related to Skt. matta- "drunk, intoxicated," pp. of madati "boils, bubbles, gets drunk," from PIE base *mad- "wet, to drip."

WordNet - Cite This Source - Share This
must

adjective
1. highly recommended; "a book that is must reading" 

noun
1. a necessary or essential thing; "seat belts are an absolute must" 
2. grape juice before or during fermentation 
3. the quality of smelling or tasting old or stale or mouldy [syn: mustiness

The American Heritage Science Dictionary - Cite This Source - Share This
musth also must       (mŭst)  Pronunciation Key 
An annual period of heightened aggressiveness and sexual activity in male elephants.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Must

Must\ (m[u^]st), v. i. or auxiliary. [OE. moste, a pret. generally meaning, could, was free to, pres. mot, moot, AS. m[=o]ste, pret. m[=o]t, pres.; akin to D. moetan to be obliged, OS. m[=o]tan to be free, to be obliged, OHG. muozan, G. m["u]ssen to be obliged, Sw. m[*a]ste must, Goth. gam[=o]tan to have place, have room, to able; of unknown origin.]

1. To be obliged; to be necessitated; -- expressing either physical or moral necessity; as, a man must eat for nourishment; we must submit to the laws.

2. To be morally required; to be necessary or essential to a certain quality, character, end, or result; as, he must reconsider the matter; he must have been insane.

Likewise must the deacons be grave. --1 Tim. iii. 8.

Morover, he [a bishop] must have a good report of them which are without. --1 Tim. iii. 7.

Note: The principal verb, if easily supplied by the mind, was formerly often omitted when must was used; as, I must away. "I must to Coventry." --Shak.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Must

Must\, n. [AS. must, fr. L. mustum (sc. vinum), from mustus young, new, fresh. Cf. Mustard.]

1. The expressed juice of the grape, or other fruit, before fermentation. "These men ben full of must." --Wyclif (Acts ii. 13. ).

No fermenting must fills . . . the deep vats. --Longfellow.

2. [Cf. Musty.] Mustiness.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Must

Must\, v. t. & i. To make musty; to become musty.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Must

Must\ (m[u^]st), n. [Hind. mast intoxicated, ruttish, fr. Skr. matta, p.p. of mad to rejoice, intoxicate.] (Zo["o]l.) Being in a condition of dangerous frenzy, usually connected with sexual excitement; -- said of adult male elephants which become so at irregular intervals. -- n. (a) The condition of frenzy. (b) An elephant in must.

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