lackadaisical

lack·a·dai·si·cal

adj \ˌla-kə-ˈdā-zi-kəl\

Definition of LACKADAISICAL

: lacking life, spirit, or zest : languid

— lack·a·dai·si·cal·ly \-k(ə-)lē\ adverb

Examples of LACKADAISICAL

1. His teachers did not approve of his lackadaisical approach to homework.
2. <feeling particularly lackadaisical in the summer heat, they lazily tossed a ball back and forth>

Origin of LACKADAISICAL

irregular from lackaday + -ical

First Known Use: 1768

Related to LACKADAISICAL

Synonyms: enervated, listless, languid, languishing, languorous, limp, spiritless

Antonyms: ambitious, animated, energetic, enterprising, motivated

Related 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, inert

Near 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-awake

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See Synonym Discussion at languid