Must — synonyms, definition

1. must (Noun)

condition consideration contingency moldiness mouldiness musth mustiness postulate prerequisite provision requirement requisite

must (Noun) — A necessary or essential thing. ex. "seat belts are an absolute must"

must (Noun) — Grape juice before or during fermentation.

must (Noun) — The quality of smelling or tasting old or stale or mouldy.

must (Noun) — An annual phase of heightened sexual excitement in the males of certain large mammals (especially elephants); is associated with discharge from a gland between the eye and ear.

essential grape juice necessary necessity phase requirement requisite stage staleness

2. must (Verb)

be obligated obligated ought to should

must (Verb) — Be compelled, be necessary, have to, ought to. ex. "I must take the test before I can drive" ex. "you really must tidy the room some time" ex. "to pass the exam you must work hard"

3. must (Adjective)

must (Adjective) — Highly recommended. ex. "a book that is must reading"