having or giving out a moderate degree of heat, as perceived by the senses

a warm bath.

of or at a moderately high temperature; characterized by comparatively high temperature

a warm oven; a warm climate; a warm summer.

having a sensation of bodily heat

to be warm from fast walking.

conserving or maintaining warmth or heat

warm clothes.

(of colors) suggestive of warmth; inclining toward red or orange rather than toward green or blue.

characterized by or showing lively feelings, passions, emotions, sympathies, etc.

a warm heart; warm interest.

strongly attached; intimate

warm friends.

cordial or hearty

a warm welcome.

heated, irritated, or angry

to become warm when contradicted.

animated, lively, brisk, or vigorous

a warm debate.

strong or fresh

a warm scent.

close to something sought, as in a game.

uncomfortable or unpleasant

His opponents made things so warm that he decided to quit.

British Informal . well off; in easy circumstances.

to make warm; heat (often fol. by up )

to warm one's hands; to warm up a room.

to heat or cook (something) for reuse, as leftovers (usually fol. by over or up )

to warm up yesterday's stew.

to excite enthusiasm, ardor, cheerfulness, or vitality in (someone)

The wine soon warmed the company.

to inspire with kindly feeling; affect with lively pleasure

It warms my soul to hear you say that.

to fill (a person, crowd, etc.) with strong feelings, as hatred, anger, or zeal

Restrictions had warmed the crew to the point of mutiny.

to become warm or warmer (often fol. by up )

The room will warm up when the fire gets going.

to become ardent, enthusiastic, animated, etc. (often fol. by up or to )

The speaker quickly warmed to her subject.

to grow kindly, friendly, or sympathetically disposed (often fol. by to or toward )

My heart warms toward him.

Informal . a warming

Sit by the fire and have a nice warm.

warm down, to conclude or follow a period of strenuous physical exercise by walking or gentle stretching.

warm up,

to prepare for a game, sports contest, dance, etc., by moderate exercise or practice beforehand.

to increase in excitement, intensity, violence, etc.

The racial situation was warming up.

to become friendlier or more receptive

No matter how hard I tried, I just couldn't warm up to that proposal.

Radio and Television . to entertain (an audience) prior to a broadcast to increase receptiveness. ?

warm the bench

Sports . to serve as a substitute who rarely plays in a game

The young outfielder warmed the bench for the Yankees last season.