thoughtless Meaning, Definition & Usage

  1. adjective showing lack of careful thought
    • the debate turned into thoughtless bickering
  2. adjective satellite without care or thought for others; `Let them eat cake'"
    unthinking; uncaring.
    • the thoughtless saying of a great princess on being informed that the people had no bread

WordNet


Thought"less adverb
Definitions
  1. Lacking thought; careless; inconsiderate; rash; as, a thoughtless person, or act.
  2. Giddy; gay; dissipated. R. Johnson.
  3. Deficient in reasoning power; stupid; dull.
    Thoughtless as monarch oaks that shade the plain. Dryden.
    -- Thought"less*ly, adv. -- Thought"less*ness, n.

Webster 1913