Synonyms for heat

noun

1. Warmth

   hotness, warmth, warmness, calefaction, calidity, torridity, high temperature, hot wind, heat wave, fever, hot weather, temperature, incandescence, tepidity, incalescence, sultriness, red heat, white heat, torridness, tropical heat, dog days*; see also warmth, weather.

   Antonyms cold*, frost, frigidity.

2. Fervor

   ardor, passion, excitement; see desire 2, enthusiasm 1.

3. Anger

   agitation, fury, ferocity; see anger, rage 2.

4. A section of a race

   run, course, trial, qualifier; see race 3.

5. Sources of heat

   flame, fire, radiation, radioactivity, atomic energy, solar energy; see also energy 3, fire 1.

verb

1. To make hot

   cook, warm, fire, heat up, burn, enflame, inflame, kindle, enkindle, calcine, calefy, tepefy, subject to heat, put on the fire, make hot, make warm, calorify, smelt, scald, flush, carbonize, thaw, mull, boil, char, superheat, roast, chafe, seethe, oxidate, toast, oxidize, set fire to, melt, cauterize, sun, reheat, steam, incinerate, sear, singe, scorch, fuse, raise the temperature of, liquefy, gasify, fry, frizzle, use a blowtorch on, turn on the heat; see also burn 2, cook, ignite.

   Antonyms cool*, freeze, reduce the temperature.

2. To become hot

   glow, warm up, rise in temperature, become fevered, become feverish, grow hot, incandesce, blaze, flame, flush, seethe, burst into flame, kindle, ignite, liquefy, gasify, thaw, swelter, perspire, reek, begin to pant, record a higher temperature, reach a higher thermal register; see also boil 1, burn 1, sweat 1.