What does the word thoughtless mean?

    Part of speech: noun

  • Thoughtlessness.

  • Part of speech: adjective

  • Heedless; giddy; stupid.

Usage examples for thoughtless

  1. You are not a thoughtless child. – Out of the Primitive by Robert Ames Bennet
  2. And he may recall how frightened he was when some foolishly thoughtless friend or heartless bully tried to duck him, or to push him beyond his depth. – Healthful Sports for Boys by Alfred Rochefort
  3. How thoughtless, how cruel of me! – The Black Robe by Wilkie Collins