mood Definition

mood¹
noun

1. A state of mind at a particular time.

Example: See what sort of mood he's in before you ask him
Thesaurus: state, humour, frame of mind, temper.
2. A suitable or necessary state of mind.

Example: not in the mood for dancing
Form: the mood (especially)
3. A temporary grumpy state of mind.

Example: Now he's gone off in a mood
4. An atmosphere.

Example: The mood in the factory is tense

Etymology: Anglo-Saxon mod in obsolete sense ‘mind' or ‘feeling'.

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mood²
noun

1. grammar.
Each of several forms of a verb, indicating whether the verb is expressing a fact (see indicative), a wish, possibility or doubt (see subjunctive) or a command (see imperative).
2. logic.
The form of the syllogism as determined by the quantity and quality of its three constituent propositions.

Etymology: 16c: originally a variant of mode.