What is the meaning of Musty?

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

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

Characteristic of or relating to mould or mouldiness.

  1. Of attitudes, ideas, writing, or other abstract things: no longer fresh or interesting; outdated, stale.

    Of attitudes, ideas, writing, or other abstract things: no longer fresh or interesting; outdated, stale.

    Of a person: boring and unadventurous; also, old-fashioned, stuck in the past.

    Bad-tempered, grumpy, irritable.

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

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

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

    Source: wiktionary.org