heat up

Verb (3)

1. gain heat or get hot“The room heated up quickly”Synonyms: heathot upMore general change state, turnMore specific overheat, fry
2. make hot or hotter“the sun heats the oceans”“heat the water on the stove”Synonyms: heatMore general change, alterMore specific crispen, sear, broil, scald, calcine, overheat, reheat, preheat, soakCauses heat, hot up
3. make more intense“Emotions were screwed up”Synonyms: hot upscrew upMore general intensify, compound