lukewarm

1 having or giving off heat to a moderate degree I left the bowl of soup sitting on the counter too long, and now it's lukewarm Synonyms heated, hottish, warm, tepid, toasty, warmed, warmishRelated Words thawed; boiling, broiling, burning, fiery, hot, piping hot, red-hot, roasting, scalding, scorching, searing, steamy, sultry, sweltering, torrid, white-hot; overheated, roasted, superheated, sweltering; blazing, glowing, molten, sizzling; reheated, rewarmed, warmed-overNear Antonyms arctic, bitter, bleak, chill, chilly, cold, freezing, frigid, frosty, gelid, glacial, ice-cold, iced, icy, nippy, polar, raw, sharp, snappy, snowy, subfreezing, subzero, ultracold, winterly, wintry (also wintery); frosted; benumbed, nipped, numbAntonyms chilled, coldish, cool, cooled, coolish, refrigerated, unheated

2 showing little or no interest or enthusiasm the dentist's lecture on the merits of flossing got only a lukewarm response Synonyms halfhearted, tepid, uneager, unenthusiasticRelated Words apathetic, disinterested, dispassionate, emotionless, impassive, indifferent, neutral, uncaring, uninterested; lackadaisical, languid, listless, perfunctory, undemonstrative, unemotional, unresponsive; unfeeling, unsympathetic; chill, chilly, cold, cool, frigid, frosty, glacial, icy, unfriendly, wintry (also wintery)Near Antonyms agog, ardent, avid, exuberant, fervid, feverish, fiery, gung ho, hot-blooded, impassioned, intense, raring, red-hot, vehement; engaged, engrossed, interested; ready, willing; cordial, friendly, genial, warmheartedAntonyms eager, enthusiastic, hearty, keen, passionate, warm, wholehearted