1
: lacking concern for others : inconsiderate
rude and thoughtless behavior
a thoughtless remark
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
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
These wishes feel to me very thoughtless and insensitive.
—R. Eric Thomas, Chicago Tribune, 3 Feb. 2025
Iris, played by Heretic and Yellowjackets star Sophie Thatcher, is a gorgeous yet enigmatic young woman who looks something like Zooey Deschanel in her New Girl years but without her happy, slightly thoughtless enthusiasm for life.
—Tom Gliatto, People.com, 31 Jan. 2025
See All Example Sentences for thoughtless
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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
These wishes feel to me very thoughtless and insensitive.
—R. Eric Thomas, Chicago Tribune, 3 Feb. 2025
Iris, played by Heretic and Yellowjackets star Sophie Thatcher, is a gorgeous yet enigmatic young woman who looks something like Zooey Deschanel in her New Girl years but without her happy, slightly thoughtless enthusiasm for life.
—Tom Gliatto, People.com, 31 Jan. 2025
See All Example Sentences for thoughtless
Articles Related to thoughtless
Cite this Entry
“Thoughtless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thoughtless. Accessed 12 Mar. 2025.
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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