- without interest, vigor, or determination; listless; lethargic: a lackadaisical attempt.
- lazy; indolent: a lackadaisical fellow.
Origin of lackadaisical
Synonyms for lackadaisicalSee more synonyms for on Thesaurus.com
Related Words for lackadaisicalnesssloth, lethargy, negligence, apathy, weariness, inertia, inertness, slackness, dormancy, stolidity, tardiness, heaviness, idleness, dullness, remissness, listlessness, slothfulness, inactivity, laxness, slowness
- lacking vitality and purpose
- lazy or idle, esp in a dreamy way
Word Origin for lackadaisical
1768 (Sterne), from interjection lackadaisy "alas, alack" (1748), an alteration of lack-a-day (1690s), from alack the day (1590s). Hence, "given to crying 'lack-a-day,' vapidly sentimental." Sense probably altered by influence of lax. Related: Lackadaisically.