n. 1 warmth, warmness, hotness, fever, fieriness, torridity or torridness The heat of the sun feels good after that cold swim 2 passion, ardour, fervour, fervidness, intensity, fury, zeal, zealousness, earnestness, vehemence, eagerness, enthusiasm, excitement, tenseness, tension, stress, agitation, arousal, impetuosity, stimulation, exhilaration If I shouted at you in the heat of the moment, I apologize
v. 3 warm (up) It costs a lot to heat this house 4 Often, heat up. excite, intensify, impassion, inflame, kindle, ignite, quicken, inspirit, rouse, awaken or waken, stir, animate, stimulate, warm (up), activate, Colloq Brit hot up It took a while for the debate to heat up