unthinking

play
adjective un·think·ing \ˌən-ˈthiŋ-kiŋ\

Definition of unthinking

  1. 1 :  not taking thought :  heedless, unmindful the unthinking onlookers

  2. 2 :  not indicating thought or reflection an unthinking decision

  3. 3 :  not having the power of thought

unthinkingly

play \ˌən-ˈthiŋ-kiŋ-lē\ adverb

Examples of unthinking in a sentence

  1. His unthinking agreement made me uneasy.

1676

First Known Use of unthinking

1676


UNTHINKING Defined for English Language Learners

unthinking

play
adjective un·think·ing \ˌən-ˈthiŋ-kiŋ\

Definition of unthinking for English Language Learners

  • : done or said in a foolish or careless way without thinking about the possible effects : behaving in a foolish or careless way without careful thought


UNTHINKING Defined for Kids

unthinking

play
adjective un·think·ing \ˌən-ˈthiŋ-kiŋ\

Definition of unthinking for Students

  1. :  not thinking about actions or words and how they will affect others unthinking remarks



Seen and Heard

What made you want to look up unthinking? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

capable of being altered or controlled

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!