1
: lacking concern for others : inconsiderate
rude and thoughtless behavior
a thoughtless remark
thoughtlessly
adverb
thoughtlessness
noun
Synonyms
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
Cash is also seen as thoughtless and low-effort, says Julian Givi, associate professor of marketing at West Virginia University.
—
Allie Volpe, Vox, 19 Nov. 2024
Oz’s decision to close that sewer door could be chalked down to a terrible mistake, the thoughtless actions of a child.
—Dani Di Placido, Forbes, 4 Nov. 2024
The underlying message: Even someone as thoughtless as Larry is incapable of being as cruel as this legislation.
—Jen Chaney, Vulture, 6 Feb. 2024
So maybe use the feelings aroused by your sister-in-law’s thoughtless, certainly injudicious, possibly naughty remark as an opportunity to rise above.
—James Parker, The Atlantic, 22 Oct. 2024
See all Example Sentences for thoughtless 
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Allie Volpe, Vox, 19 Nov. 2024
Oz’s decision to close that sewer door could be chalked down to a terrible mistake, the thoughtless actions of a child.
—Dani Di Placido, Forbes, 4 Nov. 2024
The underlying message: Even someone as thoughtless as Larry is incapable of being as cruel as this legislation.
—Jen Chaney, Vulture, 6 Feb. 2024
So maybe use the feelings aroused by your sister-in-law’s thoughtless, certainly injudicious, possibly naughty remark as an opportunity to rise above.
—James Parker, The Atlantic, 22 Oct. 2024
See all Example Sentences for thoughtless
Articles Related to thoughtless
Dictionary Entries Near thoughtless
Cite this Entry
“Thoughtless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thoughtless. Accessed 30 Nov. 2024.
Copy CitationKids Definition
thoughtless
adjective
thought·less
ˈthȯt-ləs 
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
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