Synonyms of negligent

negligent

adjective

ˈne-gli-jənt 

as in neglectful

failing to give proper care and attention

the youngster has been woefully negligent in taking care of the vacationing neighbor's dog, repeatedly forgetting to feed the poor animal

Synonyms & Similar Words

• neglectful
• careless
• neglecting
• lazy
• derelict
• reckless
• remiss
• lax
• slack
• irresponsible
• disregardful
• oblivious
• heedless
• forgetful
• incautious
• inattentive
• thoughtless
• unmindful
• disinterested
• unthinking
• indifferent
• uninterested
• delinquent
• unconcerned
• unguarded
• apathetic
• unwary
• wild
• disregarding
• unheeding
• loose

Antonyms & Near Antonyms

• careful
• conscientious
• attentive
• meticulous
• cautious
• responsible
• nonnegligent
• punctilious
• regarding
• circumspect
• painstaking
• vigilant
• mindful
• watchful
• wary
• chary
• guarded
• observant
• alert
• thinking
• thoughtful
• provident
• interested
• heedful
• concerned
• gingerly
• regardful
• heeding
• foresighted
• forethoughtful

Synonym Chooser

How is the word negligent different from other adjectives like it?

Some common synonyms of negligent are lax, neglectful, remiss, and slack. While all these words mean "culpably careless or indicative of such carelessness," negligent implies inattention to one's duty or business.

negligent about writing a note of thanks

When is it sensible to use lax instead of negligent?

While the synonyms lax and negligent are close in meaning, lax implies a blameworthy lack of strictness, severity, or precision.

a reporter lax about accurate quotation

Where would neglectful be a reasonable alternative to negligent?

Although the words neglectful and negligent have much in common, neglectful adds a more disapproving implication of laziness or deliberate inattention.

a society callously neglectful of the poor

In what contexts can remiss take the place of negligent?

While in some cases nearly identical to negligent, remiss implies blameworthy carelessness shown in slackness, forgetfulness, or neglect.

had been remiss in their familial duties

When can slack be used instead of negligent?

The meanings of slack and negligent largely overlap; however, slack implies want of due or necessary diligence or care.

slack workmanship

Example Sentences

Recent Examples of negligent

Terril Johnson’s wife of more than 54 years, Linda Johnson, of Los Angeles, his son, daughter-in-law, grandson and three granddaughters are suing on claims of negligence and negligent infliction of emotional distress. —Julia Marnin, Sacbee.com, 27 Oct. 2025

An amendment requested by Confindustria Moda and Camera Nazionale della Moda Italiana, which asked to remove the rule that companies found negligent in auditing their supply chains would be directly put under judicial administration, didn’t pass the vote at the Senate Committee. —Martino Carrera, Footwear News, 24 Oct. 2025

The suit alleges that the Coconut Grove Sailing Club and three camp counselors were negligent and failed to supervise the children, causing Catherine a lifelong disability. —Grethel Aguila, Miami Herald, 20 Oct. 2025

Her co-defendant, Robert Copado-Gutierrez, was arrested on March 20, 2025, by the United States Marshals Service with the assistance of ICE in connection with negligent injury and homicide, according to the release. —Maritza Dominguez, AZCentral.com, 7 Oct. 2025