Word.ws English Dictionary

slackadaisical

slackadaisical adjective: slipshod and lazy; lacking diligence and effort.

Adjective

slackadaisical (comparative more slackadaisical, superlative most slackadaisical)

  1. Slipshod and lazy; lacking diligence and effort.
    • Usually it is when a co-worker is making a mess of things, you know it, and your own workload is increasing in a direct inverse ratio to his slackadaisical ways.1986, George Mazzei, Moving Up, page 177
    • But they're worlds apart from the bleary, slackadaisical euphoria of Happy Mondays.2009, Simon Reynolds, Bring the Noise

Forms of slackadaisical

comparativemore slackadaisical
superlativemost slackadaisical

Origin of slackadaisical

Blend of slack + lackadaisical.

Questions about slackadaisical

What does slackadaisical mean?
Slackadaisical means slipshod and lazy; lacking diligence and effort.
What part of speech is slackadaisical?
Slackadaisical is an adjective.

Words near slackadaisical in the dictionary

  1. slack-ropes
  2. slack-tub
  3. slack-tubs
  4. slack-water
  5. slack-waters
  6. slackadaisical
  7. slackard
  8. slackards
  9. slackass
  10. slackcom
  11. slackcoms

Source and license

Adapted from Wiktionary: slackadaisical (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “slackadaisical.” Word.ws, https://word.ws/slackadaisical. Based on Wiktionary, CC BY-SA 4.0.