as in negligence
failure to take the care that a cautious person usually takes
the dog's lack of protection against rabies was purely due to his owner's heedlessness
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of heedlessness
The heedlessness of the children has touched her mood.
—
Literary Hub, 28 Aug. 2025
Literary Hub, 28 Aug. 2025
Recent Examples of Synonyms for heedlessness
Noun
-
The judge denied the defendants’ request to dismiss the negligence, emotional distress and punitive damages claims.—
Meg James,
Los Angeles Times,
18 Apr. 2026
-
The complaint alleges negligence on the actor’s part and emotional distress.—
Steff Danielle Thomas,
The Hill,
18 Apr. 2026
Noun
-
The company has built its identity around taking AI safety more seriously than its rivals, creating sky-high expectations for model security that jar with its apparent carelessness; the fact that Mythos was exposed through such a basic and predictable failure only underscores that.—
Robert Hart,
The Verge,
23 Apr. 2026
-
Most bark problems come from carelessness from mowing or weed-eating too close to the tree, stripping off the bark and allowing entry.—
Steve Bender,
Southern Living,
23 Apr. 2026
Cite this Entry
“Heedlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heedlessness. Accessed 28 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
