Try Our Apps


Supposedly vs. Supposably


[lak-uh-dey-zi-kuh l] /ˌlæk əˈdeɪ zɪ kəl/
without interest, vigor, or determination; listless; lethargic:
a lackadaisical attempt.
lazy; indolent:
a lackadaisical fellow.
Origin of lackadaisical
1760-70; lackadais(y) (variant of lackaday) + -ical
Related forms
lackadaisically, adverb
lackadaisicalness, noun
2. slothful, unambitious, idle. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for lackadaisical
Contemporary Examples
Historical Examples
  • To give every ounce in you to do what you set out to do—no lackadaisical dilettantism—your whole heart in it—and go to it!

    Rough-Hewn Dorothy Canfield
  • The woman short, slight, and lackadaisical, though rather pretty.

    The Coxswain's Bride R.M. Ballantyne
  • While they were getting settled, Frank Hodgson sauntered in, seemingly as lackadaisical and disinterested as ever.

    Frigid Fracas Dallas McCord Reynolds
  • Marriage is a lackadaisical proceeding at best; but there is no resource.

    Paul Clifford, Complete Edward Bulwer-Lytton
  • Mrs Bowater surveyed the group with a lackadaisical detachment.

    Memoirs of a Midget Walter de la Mare
British Dictionary definitions for lackadaisical


lacking vitality and purpose
lazy or idle, esp in a dreamy way
Derived Forms
lackadaisically, adverb
lackadaisicalness, noun
Word Origin
C18: from earlier lackadaisy, extended form of lackaday
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History 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.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for lackadaisical

Few English speakers likely know this word

Word Value for lackadaisical

Scrabble Words With Friends

Nearby words for lackadaisical