Definition of Must

1. Noun. A necessary or essential thing. "Seat belts are an absolute must"


2. Adjective. Highly recommended. "A book that is must reading"
Similar to: Essential

3. Noun. Grape juice before or during fermentation.
Generic synonyms: Grape Juice

4. Noun. The quality of smelling or tasting old or stale or mouldy.
Exact synonyms: Moldiness, Mustiness
Generic synonyms: Staleness
Derivative terms: Moldy, Musty, Musty, Musty, Musty

Definition of Must

1. v. i. or auxiliary 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. n. The expressed juice of the grape, or other fruit, before fermentation.

3. v. t. & i. To make musty; to become musty.

4. n. Being in a condition of dangerous frenzy, usually connected with sexual excitement; -- said of adult male elephants which become so at irregular intervals.

Definition of Must

1. Verb. (context: modal auxiliary defective) to do with certainty; (non-gloss definition indicates that the speaker is certain that the subject will have executed the predicate) ¹

2. Verb. (context: modal auxiliary defective) to do as a requirement; (non-gloss definition indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a negative consequence) ¹

3. Noun. Something that is mandatory or required ¹

4. Noun. Something that exhibits the property of being stale or musty ¹

5. Noun. Fruit juice that will ferment or has fermented, usually grapes ¹

6. Noun. A time during which male elephants exhibit increased levels of sexual activity and aggressiveness ''(also musth)'' ¹

¹ Source: wiktionary.com

Definition of Must

1. to become musty [v -ED, -ING, -S] - See also: musty

Lexicographical Neighbors of Must

musses
mussier
mussiest
mussily
mussiness
mussinesses
mussing
mussitate
mussitated
mussitates
mussitating
mussitation
mussitations
mussite
mussy
must've
must(a)
must-buy
must-have
must-read
must-see
must-see TV
must-sees
must have killed a Chinaman
must needs
must not
must of
must weight
musta

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