Synonyms and related words :
ardent, baking, blistering, boiling, broiling, burning, burning hot, canicular, ebullient, feverish, fiery, flushed, grilling, heated, hot, hot as fire, hot as hell, like a furnace, like an oven, overheated, overwarm, parching, piping hot, red-hot, roasting, scorching, searing, seething, simmering, sizzling, sizzling hot, smoking hot, sudorific, sweating, sweaty, sweltering, sweltry, toasting, torrid, white-hot