thoughtless

adjective

thought·​less ˈthȯt-ləs How to pronounce thoughtless (audio)
1
: lacking concern for others : inconsiderate
rude and thoughtless behavior
a thoughtless remark
2
a
: insufficiently alert : careless
b
: reckless, rash
thoughtless actions
3
: devoid of thought : insensate
thoughtlessly adverb
thoughtlessness noun

Examples of thoughtless in a Sentence

a selfish and thoughtless person always making thoughtless comments that hurt other people's feelings
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Twist in The Woman in the Yard Is a New Low for Trauma Horror Horror that’s really about trauma is now the norm, but there’s something particularly thoughtless about this film’s treatment of mental health. Joe Reid, Vulture, 28 Mar. 2025 Nor, Miss Manners uncharacteristically assures you, is making thoughtless strangers feel better. Judith Martin, The Mercury News, 8 Mar. 2025 As has happened so often with the Trump White House’s thoughtless policy decisions, this one was reversed a day later. Michael Hiltzik, Los Angeles Times, 7 Mar. 2025 Others might tear mercilessly into someone though the criticism is based principally on thoughtless emotional baggage and has no true bearing on the matter at hand. Lance Eliot, Forbes, 4 Mar. 2025 See All Example Sentences for thoughtless

Word History

First Known Use

1544, in the meaning defined at sense 2a

Time Traveler
The first known use of thoughtless was in 1544

Browse Nearby Words

Cite this Entry

“Thoughtless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thoughtless. Accessed 19 Apr. 2025.

Kids Definition

thoughtless

adjective
thought·​less ˈthȯt-ləs How to pronounce thoughtless (audio)
1
a
: not careful and alert
b
: done without thinking beforehand
thoughtless actions
2
: lacking concern for others : inconsiderate
a thoughtless remark
thoughtlessly adverb
thoughtlessness noun

More from Merriam-Webster on thoughtless

Last Updated: - Updated example sentences
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