halfhearted

showing little or no interest or enthusiasm a halfhearted attempt to clean the house before the arrival of the in-laws Synonyms tepid, lukewarm, 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