hu·mor (hymr)
n.

1. The quality that makes something laughable or amusing; funniness: could not see the humor of the situation.
2. That which is intended to induce laughter or amusement: a writer skilled at crafting humor.
3. The ability to perceive, enjoy, or express what is amusing, comical, incongruous, or absurd. See Synonyms at wit¹.
4. One of the four fluids of the body, blood, phlegm, choler, and black bile, whose relative proportions were thought in ancient physiology to determine a person’s disposition and general health.
5. Physiology.
   1. A body fluid, such as blood, lymph, or bile.
   2. Aqueous humor.
   3. Vitreous humor.
6. A person’s characteristic disposition or temperament: a boy of sullen humor.
7. An often temporary state of mind; a mood: I’m in no humor to argue.
8. 1. A sudden, unanticipated whim. See Synonyms at mood¹.
   2. Capricious or peculiar behavior.

v. tr. hu·mored, hu·mor·ing, hu·mors.

1. To comply with the wishes or ideas of; indulge.
2. To adapt or accommodate oneself to. See Synonyms at pamper.

Idioms:

out of humor

In a bad mood; irritable.

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[Middle English fluid, from Old French umor, from Latin mor.]

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