• WordNet 3.6
    • adj lackadaisical idle or indolent especially in a dreamy way "she was annoyingly lackadaisical and impractical","a...lackadaisical, spiritless young man-about-town"- P.G.Wodehouse"
    • adj lackadaisical lacking spirit or liveliness "a lackadaisical attempt","a languid mood","a languid wave of the hand","a hot languorous afternoon"
    • ***
Webster's Revised Unabridged Dictionary
    • lackadaisical Affectedly pensive; languidly sentimental; dreamy.
    • lackadaisical Indolent; lazy; idle, especially in a dreamy manner.
    • lackadaisical Lacking spirit or liveliness; lethargic; listless; languid.
    • ***
Century Dictionary and Cyclopedia
    • lackadaisical Sentimentally woebegone; languid; listless; affected. See extract under lackthought.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Lackadaisical lak-a-dā′zi-kal affectedly pensive, sentimental
    • ***


Webster's Revised Unabridged Dictionary
From Lackadaisy interj,
Chambers's Twentieth Century Dictionary
Alack-a-day. See Alack.


In literature:

A listless, lackadaisical, brooding Tessie.
"One Basket" by Edna Ferber
She is but a poor lackadaisical creature, and it is my belief has no heart at all.
"Vanity Fair" by William Makepeace Thackeray
His tongue is as prolific of lackadaisical words, as his head is devoid of good sense.
"Golden Steps to Respectability, Usefulness and Happiness" by John Mather Austin
A listless, lackadaisical, brooding Tessie.
"Half Portions" by Edna Ferber
They were unsympathetic, because she expressed her grief in terms of fierce activity instead of in the lackadaisical ways of tradition.
"Joanna Godden" by Sheila Kaye-Smith
He was a lackadaisical sort of a spook when I saw him.
"Ray's Daughter" by Charles King
I suppose that's the reason I feel so lackadaisical.
"The Secret of the Storm Country" by Grace Miller White
The woman short, slight, and lackadaisical, though rather pretty.
"The Coxswain's Bride" by R.M. Ballantyne
Mrs. Leyburn, poor lackadaisical thing!
"Robert Elsmere" by Mrs. Humphry Ward
And it was the pokiest, most rubbishy, lackadaisical village I ever saw.
"The Mission of Janice Day" by Helen Beecher Long

In news:

In gardening, as in other food matters, there is something to be said for the lackadaisical, unresearched, no-preconceptions approach.
Albert Krieger of Miami, who represents John Gotti, would have tried to show that Clarence Thomas handled sexual harassment complaints lackadaisically while heading the Equal Employment Opportunity Commission.
Tim Farrell/The Star-Ledger The Nets' Brook Lopez said he's been too "lackadaisical" during games recently and needs to snap out of it.
Lax about the pronunciation of lackadaisical .
Will Sen Casey's lackadaisical campaign sink a half-century-old political dynasty.
Impossible righteousness (or a lackadaisical approach to holiness).
Mike Gundy responds to the ' lackadaisical ' practice comment.
Wizards' lackadaisical effort paves way for 30th loss, 110-99 to Trail Blazers.
For its first game against its coach Jose Mourinho 's former team since the Portuguese coach came to Italy, Inter Milan put on a stunningly lackadaisical performance.
Older-generation bosses think some younger workers are a little too lackadaisical about quality and deadlines.
Will Sen Casey's lackadaisical campaign sink a half-century-old political dynasty .
It's one of the ancient texts of the world, one that, as a lackadaisical college-going student, I somewhat skimmed through before putting it on the shelf for a rainy day.
I say almost because for the fist 19 minutes of the game, the lackadaisical unit the lost Game 3 appeared to be out on the floor.
Will Sen Casey's lackadaisical campaign sink a half-century -old political dynasty.
At home in soggy Seattle I'm a lackadaisical gardener, yet visiting Kauai has turned me into a garden-loving tourist.