: 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
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
While Sammie is naive, impatient, and yearning for adulthood, Delta Slim is wise, heedless yeet unflappable, and the surprising steady voice when the juke joint descends into chaos.
—Kathleen Newman-Bremang, Refinery29, 30 Dec. 2025
The heedless afternoons of childhood meet the fatherless afternoons of late middle age, and the bereaved son is in danger of being buried in them.
—James Wood, New Yorker, 3 Nov. 2025
To him, though, the bistro is perfect, rich in singular details that people of more heedless taste might have scrubbed away.
—Nathan Heller, Vogue, 14 Oct. 2025
See All Example Sentences for heedless
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Michael Santoli, CNBC, 5 Jan. 2026
While Sammie is naive, impatient, and yearning for adulthood, Delta Slim is wise, heedless yeet unflappable, and the surprising steady voice when the juke joint descends into chaos.
—Kathleen Newman-Bremang, Refinery29, 30 Dec. 2025
The heedless afternoons of childhood meet the fatherless afternoons of late middle age, and the bereaved son is in danger of being buried in them.
—James Wood, New Yorker, 3 Nov. 2025
To him, though, the bistro is perfect, rich in singular details that people of more heedless taste might have scrubbed away.
—Nathan Heller, Vogue, 14 Oct. 2025
See All Example Sentences for heedless
Cite this Entry
“Heedless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heedless. Accessed 11 Jan. 2026.
Copy CitationKids Definition
heedless
adjective
heed·less
ˈhēd-ləs 
: not taking heed : thoughtless
heedlessly
adverb
heedlessness
noun
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