unthinking

[ uhn-thing-king ]
/ ʌnˈθɪŋ kɪŋ /
SEE SYNONYMS FOR unthinking ON THESAURUS.COM

adjective

thoughtless; heedless; inconsiderate: an unthinking, tactless person.
indicating lack of thought or reflection: a dull, unthinking expression on his face.
not endowed with the faculty of thought: unthinking matter.
not exercising thought; not given to reflection: This book will not profit an unthinking person.
not thinking; unmindful: chores done in an unthinking manner.

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Origin of unthinking

First recorded in 1670–80; un-1 + thinking

OTHER WORDS FROM unthinking

un·think·ing·ly, adverbun·think·ing·ness, noun

Words nearby unthinking

untethered, unthankful, unthatch, unthink, unthinkable, unthinking, unthought, unthought-of, unthread, unthrone, untidy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to unthinking

feckless, foolish, heedless, impulsive, inadvertent, inconsiderate, indelicate, insensitive, instinctive, mechanical, negligent, oblivious, outrageous, rash, rude, selfish, senseless, tactless, thoughtless, uncaring

Example sentences from the Web for unthinking

British Dictionary definitions for unthinking

unthinking
/ (ʌnˈθɪŋkɪŋ) /

adjective

lacking thoughtfulness; inconsiderate
heedless; inadvertentit was done in an unthinking moment
not thinking or able to think

Derived forms of unthinking

unthinkingly, adverbunthinkingness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012