lackadaisical

Etymology

From the archaic expression lackadaisy + -ic + -al.

adj

  1. Showing no interest, vigor, determination, or enthusiasm.
    the lackadaisical look on his face
    I, at one time, used to go and take a hand at cribbage with a friend, and afterwards discuss a cold sirloin of beef, and throw out a few lackadaisical remarks, in a way to please myself, but it would not do long. 1822, William Hazlitt, “//dummy.host/index.php?title=s%3Aen%3ATable-Talk%2FOn+the+Disadvantages+of+Intellectual+Superiority On the Disadvantages of Intellectual Superiority”, in Table-Talk, volume II
    Then let those who do know it learn that you are able to bear such wounds without outward complaint. I tell you fairly that I cannot sympathize with a lackadaisical lover. 1864, Anthony Trollope, chapter //dummy.host/index.php?title=s%3Aen%3AThe+Small+House+at+Allington%2FChapter+58 58, in The Small House at Allington
    I could hear the sound of the janitor's lackadaisical scrubbing against the wooden floor. 2010, Clare Vanderpool, Moon Over Manifest
  2. Lazy; slothful; indolent.

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