careless

Reading level: hard

Estimated CEFR level: B2 — Upper-Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

  1. adjective marked by lack of attention or consideration or forethought or thoroughness; not careful
  2. adjective effortless and unstudied
  3. adjective (usually followed by `of') without due thought or consideration

Etymology

From Middle English careles, from Old English carlēas (“careless, reckless, void of care, free from care, free”), equivalent to care + -less. Cognate with Icelandic kærulaus (“careless, negligent”).

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