1
as in unsafe
not paying or showing close attention especially for the purpose of avoiding trouble
a careless reporter who often doesn't get his facts straight a careless mistake that caused the plane to crash
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in neglectful
failing to give proper care and attention
a careless effort that made an unnecessary mess
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of careless
State police also have warrants for his arrest for hit-and-run and careless operation in connection to the Jefferson Parish crash.
—
Anthony Thompson,
USA Today,
9 June 2026
Rivas also faces charges of hit-and-run and careless operation, the Louisiana State Police confirmed to PEOPLE.
—
Ingrid Vasquez,
PEOPLE,
9 June 2026
Most now seem to agree that Bairstow was careless and Carey was opportunistic, but at the time the England team were livid — a fury that continued into the lunch room.
—
Nick Miller,
New York Times,
6 June 2026
Ernesto Cuesta, president of the Brickell Homeowner's Association, characterized drivers in the area as careless.
—
Anna McAllister,
CBS News,
3 June 2026
See All Example Sentences for careless
Anthony Thompson,
USA Today,
9 June 2026
Rivas also faces charges of hit-and-run and careless operation, the Louisiana State Police confirmed to PEOPLE.
—
Ingrid Vasquez,
PEOPLE,
9 June 2026
Most now seem to agree that Bairstow was careless and Carey was opportunistic, but at the time the England team were livid — a fury that continued into the lunch room.
—
Nick Miller,
New York Times,
6 June 2026
Ernesto Cuesta, president of the Brickell Homeowner's Association, characterized drivers in the area as careless.
—
Anna McAllister,
CBS News,
3 June 2026
See All Example Sentences for careless
Recent Examples of Synonyms for careless
Adjective
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They are packed by smugglers into small and unsafe boats, with thousands dying during the perilous sea journey.
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Remaining inside a vehicle during a tornado is unsafe.
Adjective
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While not every nursing home fosters a neglectful or abusive environment, these conditions can thrive at facilities that are understaffed.
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To do otherwise is neglectful and selfish.
Adjective
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Was fatal boat crash just an accident — or was Pino reckless?
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Emma D’Arcy imbues Rhaenyra’s every line with a breathless giddiness that conveys the character’s reckless naivete.
Adjective
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But Richmond’s James River stretch also offers calm stretches of flat water near the city center that are ideal for a lazy river tube run.
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Then the release, the arrival, the return to self, and a lazy, funny sort of shyness.
Adjective
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On Thursday, Daniel Joseph Murphy, 48, was found guilty on three counts of assault with a firearm on a peace officer, along with negligent discharge of a firearm, according to a Sacramento County District Attorney’s Office news release.
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Lebel has since been arrested on charges of criminally negligent homicide, manslaughter, assault and driving under the influence.
Cite this Entry
“Careless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/careless. Accessed 26 Jun. 2026.
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