What does the word unthinking mean?

Usage examples for unthinking

  1. The heartless, unthinking girls tripped gaily down to the carriage, and drove off. – Newton Forster by Frederick Marryat
  2. The unthinking recklessness I had inherited drove me on. – Richard Carvel, Complete by Winston Churchill Last Updated: March 5, 2009
  3. Of course the reason why at first sight it is apt to appear, not only gratuitous, but even grotesque, is because in these days of physical science the minds of most of us are dominated by the unthinking persuasion that the principle of causality is the most ultimate principle which our minds can reach. – Mind and Motion and Monism by George John Romanes