<p><strong>Adjective</strong></p><ul><li>thoughtless; heedless; inconsiderate: an unthinking, tactless person.</li><li>indicating lack of thought or reflection: a dull, unthinking expression on his face.</li><li>not endowed with the faculty of thought: unthinking matter.</li><li>not exercising thought; not given to reflection: This book will not profit an unthinking person.</li><li>not thinking; think; unmindful: chores done in an unthinking manner.</li></ul><p><strong>End of Response</strong></p>