(obsolete) A type of snuff with a musty flavour (adjective sense 2).

(intransitive, obsolete) To turn musty (adjective sense 1 or 2); to must.

Affected by dampness or mould; damp, mildewed, mouldy.

Having an odour or taste of mould; also (generally), having a stale or unfresh odour or taste.

Characteristic of or relating to mould or mouldiness.

No longer fresh or interesting, outdated, stale; boring and unadventurous; old-fashioned, stuck in the past; and, in archaic usage, bad-tempered, grumpy, irritable.

(rare) Of a male animal such as a camel or an elephant: in musth.