Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| adiathermic | impervious to radiant heat. |
| ardor | (US) warmth, fervour. |
| ardour | warmth, fervour. |
| balmily | (Adv.) BALMY, mild, temperate. |
| balminess | the state of being balmy. |
| balmy | mild, temperate. |
| beath | (Spenser) to bathe, heat. |
| calefacient | a substance (eg mustard) that produces a sensation of warmth when applied to a part of the body. |
| calefaction | the act of heating. |
| calefactor | a heater; one who, or that which, makes hot, as a stove, etc. |
| calefy | to make warm or hot. |
| calescence | an increase in heat. |
| calescent | increasing in heat. |
| calid | hot; burning; ardent. |
| calidity | heat. |
| candent | (Arch.) glowing, white-hot. |
| candescent | glowing, white-hot. |
| candescently | (Adv.) CANDESCENT, glowing, white-hot. |
| chafe | to warm by rubbing. |
| fervent | hot, glowing. |
| fervently | (Adv.) FERVENT, hot, glowing. |
| fervescent | growing hot. |
| fervid | warm, ardent. |
| fervidly | (Adv.) FERVID, warm, ardent. |
| fervor | heat, vehemence, ardour. |
| fervorous | full of fervor. |
| fervour | heat, vehemence, ardour. |
| frowst | (Obs.) hot stuffy fustiness (verb) to luxuriate in hot stuffiness and stupefaction |
| heat | that which excites the sensation of warmth; (verb) to make hot. |
| heatable | that can be heated. |
| heatedly | (Adv.) HEATED, with strong feeling. |
| heatedness | the state of being heated. |
| hot | very warm (verb) to heat |
| hotly | (Adv.) HOT, very warm. |
| hotness | the state of being hot. |
| hottish | somewhat hot. |
| incalescence | the process or action of becoming warm or hot. |
| incalescent | growing warm. |
| luke | moderately warm; tepid. |
| lukewarm | moderately warm; tepid. |
| lukewarmish | somewhat lukewarm. |
| lukewarmly | (Adv.) LUKEWARM, moderately warm. |
| lukewarmness | the state of being lukewarm. |
| lukewarmth | the state of being lukewarm. |
| mafted | (Dial.) suffering under intense heat. |
| meltage | the process of melting. |
| melter | one who, or that which, melts. |
| melty | liable to melt. |
| mirchi | (Hinglish) hot. |
| muggily | (Adv.) MUGGY, warm and humid. |
| mugginess | the quality of being muggy. |
| muggish | somewhat muggy. |
| muggy | warm and humid. |
| overheat | to heat to excess. |
| overhot | excessively hot. |
| overwarm | excessively warm; (verb) to make excessively warm. |
| perfervor | a state of great fervour. |
| perfervour | great fervour, ardour. |
| ploat | (Scots) to dip in very hot water, to scald. |
| preheat | to heat in advance. |
| prewarm | to warm in advance. |
| recalesce | to liberate heat suddenly when cooling through certain temperature. |
| recalescence | the renewed glowing of iron at a certain stage of cooling from white heat. |
| recalescent | liberating heat suddenly when cooling through certain temperature. |
| rewarm | to warm again. |
| scorcher | (Coll.) a very hot day. |
| sinter | a deposit from hot springs (verb) to coalesce under heat without liquefaction |
| sintery | coalescing under heat without liquefaction > SINTERIER, SINTERIEST. |
| sizzler | a very hot day. |
| snuggly | warm and cosy. |
| stove | a closed heating or cooking apparatus; (verb) to heat or dry in a stove. |
| sultrily | (Adv.) SULTRY, humid and oppressive. |
| sultriness | the state of being sultry. |
| sultry | humid and oppressive. |
| superheat | the state of being superheated; (verb) to heat to excess. |
| superhot | extra hot. |
| swelter | to endure great heat. |
| swelteringly | (Adv.) SWELTERING. |
| sweltry | sultry, oppressive with heat. |
| tepefaction | making or becoming tepid. |
| tepefy | to make or become tepid, or moderately warm. |
| tepid | moderately warm. |
| tepidity | the state of being tepid. |
| tepidly | (Adv.) TEPID, moderately warm. |
| tepidness | the state of being tepid. |
| thermal | relating to heat (noun) a rising current of warm air used by eg gliders or birds of prey |
| thermally | (Adv.) THERMAL, relating to heat. |
| thermic | of or by heat. |
| thermical | of or by heat. |
| thermically | (Adv.) THERMIC, of or by heat. |
| thermogenesis | the production of heat. |
| thermogenous | relating to thermogenesis, the production of heat. |
| thermolabile | easily decomposed by heat. |
| thermolability | the state of being thermolabile, easily decomposed by heat. |
| thermotactic | of or showing thermotaxis. |
| thermotaxic | of or showing thermotaxis. |
| thermotaxis | movement influenced or controlled by heat. |
| thermotic | of or due to heat. |
| thermotical | of or due to heat. |
| torrid | intensely hot, scorching. |
| torridity | torridness. |
| torridly | (Adv.) TORRID, intensely hot, scorching. |
| torridness | the state of being torrid. |
| ultraheat | to heat to very high temperatures, as used for sterilisation. |
| ultrahot | very hot. |
| unwarmed | not warmed. |
| warm | moderately hot (verb) to make warm |
| warmer | one that warms. |
| warmish | somewhat warm. |
| warmly | (Adv.) WARM, to make warm. |
| warmness | the state of being warm. |
| warmth | warmness. |
| whot | (Spenser) hot. |