acerb, acerbate, acerbic, acid, acidic, acidulent, acidulous, acrid, acrimonious, ardent, baking, biting, bitter, blazing, blistering, boiling, branding, broiling, burning, burning hot, calcination, canicular, carbonization, caustic, cauterization, cautery, cineration, combustion, concremation, corroding, corrosive, cracking, cremation, critical, cupellation, cutting, deflagration, destructive distillation, distillation, distilling, ebullient, excoriating, fanatic, feverish, fiery, flaming, flushed, grilling, hard-core, harsh, heated, hellish, hot, hot as fire, hot as hell, hotheaded, incineration, incisive, inflamed, keen, like a furnace, like an oven, madcap, mordacious, mordant, overheated, overwarm, oxidation, oxidization, parching, passionate, penetrating, piercing, piping hot, pyrolysis, red-hot, refining, roasting, scalding, scathing, scorification, searing, seething, self-immolation, sharp, simmering, singeing, sizzling, sizzling hot, smelting, smoking hot, stabbing, stinging, sudorific, suttee, sweating, sweaty, sweltering, sweltry, tart, the stake, thermogenesis, toasting, torrid, totally committed, trenchant, tropical, vesication, vituperative, white-hot, withering, zealous