- Lacking enthusiasm and determination; carelessly lazy: a lackadaisical defence left Spurs adrift in the second halfMore example sentences
careless, lazy, lax, unenthusiastic, half-hearted, uninterested, lukewarm, indifferent, uncaring, unconcerned, casual, offhand, blasé, insouciant, leisurely, relaxed; apathetic, languid, languorous, lethargic, limp, listless, sluggish, enervated, spiritless, aimless, bloodless, torpid, passionless, idle, indolent, shiftless, inert, impassive, feebleBritish • vulgar slang half-arsed• rare Laodicean, pococurante
- The President is remarkably lackadaisical about finding the senior administration official who leaked the identity of a CIA operative.
- I want to be organized, but I'm just too lackadaisical to get things in order.
- He still is too inconsistent and too lackadaisical.
- More example sentences
- They perpetuate the lies and the fairytales that they have been told since childhood lackadaisically.
- During my visit to the Beijing New Art Projects the Gao brothers walked out from behind their glass office and lackadaisically circulated among the visitors.
- If during the year a team plays lackadaisically because of the leadership of the coach, this factor will be intensified.
mid 18th century (also in the sense 'feebly sentimental'): from lackaday or its obsolete extended form lackadaisy.