must

I

[[t]mʌst[/t]]

aux. v. and v. pres. sing. and pl. 1st 2nd pers. and 3rd pers. must,

1) fun (used to express obligation or imperative requirement):

I must keep my promise. We really must go now[/ex]

2) fun (used to express requirement or compulsion by law, social convention, or morality):

The rules must be obeyed. I must say, you look wonderful[/ex]

3) fun (used to express advisability or desirability):

You really must read this book[/ex]

4) fun (used to express inevitability, necessity, or compulsion by natural laws):

All good things must come to an end. One must eat to live[/ex]

5) fun (used to express logical necessity):

There must be some mistake[/ex]

6) fun (used to express strong probability or reasonable expectation):

You must be joking. He must be at least 70[/ex]

7) fun (used to express intention or determination, often persistence in something unwelcome): if you must know;

Must you repeat everything I say?[/ex]

8) fun archaic (sometimes used with ellipsis of go, get, or some similar verb readily understood from the context):

We must away[/ex]

9) fun necessary; vital:

A raincoat is must clothing in this area[/ex]

10) fun something necessary, vital, or required:

Getting enough sleep is a must[/ex]

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Etymology: bef. 900; ME most(e), OE mōste, past tense of MEmote, OEmot mote II, 3rd sing. ofmotan, c. OFrismōta, OSmōtanto have cause to, must, OHGmuozanmay; cf. empty II

must

[[t]mʌst[/t]] n.

vin the juice of grapes or other fruit during fermentation

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Etymology: bef. 900; ME, OE < L mustum, short for vīnum mustum new wine III

must

[[t]mʌst[/t]] n.

mold; moldiness; mustiness

IV

must

[[t]mʌst[/t]] n.

musth