lackadaisical

lacking bodily energy or motivation <feeling particularly lackadaisical in the summer heat, they lazily tossed a ball back and forth> Synonyms enervated, listless, languid, languishing, languorous, limp, spiritlessRelated Words indolent, lazy, slothful; dull, lethargic, logy (also loggy), sleepy, sluggish, torpid; exhausted, knackered [British], tired, weary; feeble, frail, weak; apathetic, impassive, indifferent, phlegmatic, stolid; careless, heedless, thoughtless, unwary; inactive, inertNear Antonyms active, dynamic, industrious, kinetic; avid, eager, enthusiastic, keen, lively, pumped, vivacious; cheerful, chipper, perky, up; agog, alert, awake, dapper, open-eyed, sleepless, vigilant, watchful, wide-awakeAntonyms ambitious, animated, energetic, enterprising, motivated