couldn't care less

English

Adjective

couldn't care less (comparative more couldn't care less, superlative most couldn't care less)

  1. Alternative spelling of couldn't-care-less.

Verb

couldn't care less (simple past couldn't have cared less)

  1. (idiomatic) to not care at all; to have no interest or concern; to be apathetic.
    • 1987, Gary Clark, “Mary's Prayer”, performed by Danny Wilson:
      I used to be so careless / As if I couldn't care less

Usage notes

A more recent variant could care less appeared in the United States, but is deprecated by many prescriptivists and is uncommon in most other English-speaking regions.

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