: not taking heed : inconsiderate, thoughtless
… heedless follies of unbridled youth …—
John DeBruyn
John DeBruyn
heedlessly
adverb
heedlessness
noun
Examples of heedless in a Sentence
They remain heedless of their own safety.
the heedless use of natural resources
Recent Examples on the Web
This emphasis on wholesome working-class respectability is heedless of the ’60s rushing toward them, a decade that, by 1958, the other counselors have prematurely embraced.
—Sophie Monks Kaufman, IndieWire, 18 May 2026
Humanity is heedless of all the clutter in those bands.
—Jeffrey Kluger, Time, 16 Apr. 2026
The rules of polite society would bar this particular group from fraternizing together in such a heedless manner, but the Bridgerton wrap party brought the crew together for what appears to have been a very good time indeed.
—Sophie Dodd, PEOPLE, 29 Jan. 2026
At the time, investors were understandably looking ahead to an all-inclusive fourth-quarter ramp, which probably would have tripped into excessive optimism and heedless speculation.
—Michael Santoli, CNBC, 5 Jan. 2026
See All Example Sentences for heedless
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Sophie Monks Kaufman, IndieWire, 18 May 2026
Humanity is heedless of all the clutter in those bands.
—Jeffrey Kluger, Time, 16 Apr. 2026
The rules of polite society would bar this particular group from fraternizing together in such a heedless manner, but the Bridgerton wrap party brought the crew together for what appears to have been a very good time indeed.
—Sophie Dodd, PEOPLE, 29 Jan. 2026
At the time, investors were understandably looking ahead to an all-inclusive fourth-quarter ramp, which probably would have tripped into excessive optimism and heedless speculation.
—Michael Santoli, CNBC, 5 Jan. 2026
See All Example Sentences for heedless
Cite this Entry
“Heedless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heedless. Accessed 21 May. 2026.
Copy CitationKids Definition
heedless
adjective
heed·less
ˈhēd-ləs 
: not taking heed : thoughtless
heedlessly
adverb
heedlessness
noun
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