Meaning of must

must

Pronunciation: (must), [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.
—v.i.
  1. to be obliged; be compelled: Do I have to go? I must, I suppose.
  2. (sometimes used with ellipsis of go, get, or some similar verb readily understood from the context): We must away.
—adj.
  1. necessary; vital: A raincoat is must clothing in this area.
—n.
  1. something necessary, vital, or required: This law is a must.

must

Pronunciation: (must), [key]
— n.
  1. new wine; the unfermented juice as pressed from the grape or other fruit.

must

Pronunciation: (must), [key]
— n.
  1. mold; moldiness; mustiness: a castle harboring the must of centuries.

must

Pronunciation: (must), [key]
— n.
  1. musth.

must

Pronunciation: (must), [key]
— Obs. Obs.
—n.
  1. musk, esp. a powder made from musk.
—v.t.
  1. to powder (the hair).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: