Obsolete spelling of must

simple past tense and past participle of must (only in the sense of "become/make musty")

Used to indicate that something is forbidden.

Misspelling of must have. / Misspelling of must've.

(transitive) To make musty. / (intransitive) To become musty.

(modal auxiliary, defective) To do with certainty; indicates that the speaker is certain that the subject will have executed the predicate.

The property of being stale or musty. / Something that exhibits the property of being stale or musty. / Fruit juice that will ferment or has fermented, usually from grapes.

Alternative form of musth

Something that is mandatory or required.

plural of must