Meaning of unthinking

un•think•ing

Pronunciation: (un-thing'king), [key]
— adj.
  1. thoughtless; heedless; inconsiderate: an unthinking, tactless person.
  2. indicating lack of thought or reflection: a dull, unthinking expression on his face.
  3. not endowed with the faculty of thought: unthinking matter.
  4. not exercising thought; not given to reflection: This book will not profit an unthinking person.
  5. not thinking; unmindful: chores done in an unthinking manner.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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