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

The cut to the University of Alaska is thoughtless and anti-business. Anchorage Daily News, "Legislature will meet Wednesday to consider overriding governor on budget vetoes," 9 July 2019 Elizabeth is sensible, caring, and studious, while Jessica is impulsive, boy-crazy, and occasionally thoughtless. Kristen Baldwin,, "Sweet Valley High movie update: Jessica Gao takes over as writer," 8 July 2019 Erratic and fun, loving but frequently thoughtless, Wendy is the most vivid character in the book, and her relationship with Violet is particularly compelling. Steph Cha, USA TODAY, "'The Most Fun We Ever Had' a rich, complex family saga from Claire Lombardo," 24 June 2019 In postwar Yugoslavia, and later in Croatia—and now in many countries around world—the living had become as thoughtless and as silent as the dead. Merve Emre, The New York Review of Books, "‘Dismembered, Relocated, Rearranged’," 6 June 2019 Randall isn’t present for that tense exchange between Kate, Toby and Rebecca, but the whole thing is sparked by a thoughtless comment from Kate. Emma Dibdin, Country Living, "6 Moments From 'This Is Us' You Need to Know Before Watching Next Week's Episode," 7 Oct. 2018 The algorithms of social media can be thoughtless in a time of mourning, provoking painful emotions if they aren’t kept in check. Kim Komando, Fox News, "Bitcoin crashing, Netflix offline and more: Tech Q&A," 22 Sep. 2018 When a thoughtless or unkind word is spoken, best tune out. NBC News, "How to dissent like RBG," 10 June 2018 As the New York Times tells it, one prominent company, H&M, is seeking greater diversity as a hedge against thoughtless decisions. David Lazarus,, "California Inc.: Hollywood is courted by a newly moviegoing Saudi Arabia," 2 Apr. 2018

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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Statistics for thoughtless

Last Updated

18 Jul 2019

Look-up Popularity

Time Traveler for thoughtless

The first known use of thoughtless was in 1544

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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

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More from Merriam-Webster on thoughtless

Thesaurus: All synonyms and antonyms for thoughtless

Spanish Central: Translation of thoughtless

Nglish: Translation of thoughtless for Spanish Speakers

Comments on thoughtless

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


something desired as essential

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