thought·​less | \ ˈthȯt-ləs How to pronounce thoughtless (audio) \

Definition of thoughtless

1 : lacking concern for others : inconsiderate rude and thoughtless behavior a thoughtless remark
2a : insufficiently alert : careless
b : reckless, rash thoughtless actions
3 : devoid of thought : insensate

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Other Words from thoughtless

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 While loud, provocative and often juicy to insiders, the drama de jour of petty politics and thoughtless texts and tweets almost never matters to Dallas residents. Sharon Grigsby, Dallas News, "‘I’m open to trying different things’: How Dallas Mayor Eric Johnson plans to lead in this pivotal post-pandemic year," 30 Apr. 2021 In the latter, an elderly renter avenges herself on thoughtless neighbors. Anthony Bukoski, Star Tribune, "REVIEW: 'How to Walk on Water,' by Rachel Swearingen," 9 Oct. 2020 Not wanting to kill these magnificent fish thoughtless, saltwater aquarium owners dumped them into the Atlantic Ocean. John Christopher Fine,, "Lionfish menace continues | Opinion," 9 Apr. 2021 The van looked as though a thoughtless giant had stepped on it. David Browne, Rolling Stone, "‘I’m Afraid She Didn’t Make It’: Richard Thompson Recounts Harrowing Accident in New Memoir," 30 Mar. 2021 This is the kind of absurd cultural performance that raises suspicions on Twitter but, shifted just one tab over, powers a thoughtless workout. New York Times, "This Is Your Brain on Peloton," 16 Mar. 2021 In an era of thoughtless consumption, Ottobri believes that anything that requires the energy to create should serve more than one purpose, challenging us not only to use an object but to contemplate its meaning as well. New York Times, "A Provençal Estate That Is a Home and a Gallery," 2 Mar. 2021 That’s not to say that the Blumarine collection was thoughtless. Liana Satenstein, Vogue, "The New Blumarine Collection Is My Perfect, Kitschy ’00s Fantasy," 25 Feb. 2021 The revelation several weeks back that U.S. Rep. Tom Emmer and two fellow thoughtless politicians, Reps. Jim Hagedorn and Pete Stauber, boarded a public flight after knowingly having been exposed to a potentially deadly virus is shocking. Tawnja Zahradka, Star Tribune, "Emmer is not a leader for all Minnesotans," 15 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thoughtless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thoughtless

1544, in the meaning defined at sense 2a

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Time Traveler for thoughtless

Time Traveler

The first known use of thoughtless was in 1544

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Statistics for thoughtless

Last Updated

5 May 2021

Cite this Entry

“Thoughtless.” Dictionary, Merriam-Webster, Accessed 12 May. 2021.

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More Definitions for thoughtless



English Language Learners Definition of thoughtless

: not showing concern for the needs or feelings of other people


thought·​less | \ ˈthȯt-ləs How to pronounce thoughtless (audio) \

Kids Definition of thoughtless

1 : not considerate of others thoughtless behavior
2 : not careful and alert
3 : done without thinking thoughtless actions

Other Words from thoughtless

thoughtlessly adverb
thoughtlessness noun

More from Merriam-Webster on thoughtless

Thesaurus: All synonyms and antonyms for thoughtless

Nglish: Translation of thoughtless for Spanish Speakers

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