unthinking

[uhn-thing-king]

See more 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.

Origin of unthinking

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

Related formsun·think·ing·ly, adverbun·think·ing·ness, noun

unthink

[uhn-thingk]

verb (used without object), un·thought, un·think·ing.

to end one's thought or reverse the process of thought.

verb (used with object), un·thought, un·think·ing.

to dispel from the mind: Unthink your thoughts.

Origin of unthink

First recorded in 1590–1600; un-² + think¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for unthinking

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

Examples from the Web for unthinking

Contemporary Examples of unthinking

Well, to the unthinking anti-Semite, it doesn't matter how the Jewish manipulation works.
Pinkwashing: Another Conspiracy Theory
Alan M. Dershowitz
March 4, 2013
Neither, for that matter, do unthinking appeals to sacrosanct moral imperatives like the Ten Commandments.
Can God Save Health Care?
James Carroll
August 21, 2009
But Jackson was an experienced hand at public affairs, and his populism, while genuinely felt, was not unthinking or unreflective.
Resolved: Sarah Palin Is Not Andrew Jackson
Jon Meacham
October 15, 2008

Historical Examples of unthinking

On his back was the offspring of unthinking parents—a pin-head.
Thoroughbreds
W. A. Fraser
He was sanguine in all his hopes, and rapid, but not unthinking, in all his decisions.
Tales And Novels, Volume 3 (of 10)
Maria Edgeworth
This, a sad certainty told him, was love, the love that is unthinking.
The Prisoner
Alice Brown
A thing of instinct—the unthinking stillness of a scared brute.
The Nigger Of The "Narcissus"
Joseph Conrad
With many of our unthinking classes it is the "mourn" which they enjoy in the sermons.
Sparkling Gems of Race Knowledge Worth Reading
Various

British Dictionary definitions for unthinking

unthinking

adjective

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

Derived Formsunthinkingly, adverbunthinkingness, noun

unthink

verb -thinks, -thinking or -thought (tr)

to reverse one's opinion about
to dispel from the mind

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

Word Origin and History for unthinking

adj.

"unreflecting," 1670s, from un- + present participle of think.