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

Greg Biffle is accused in the lawsuit of being negligent in cooperating with Dutton, despite knowing the problems Dutton was experiencing before and during the flight, the lawsuit said. —Jeff A. Chamer may 29, Charlotte Observer, 29 May 2026

Questions concern how the courts would assess who or what might be responsible for faulty algorithms or other flaws in system design and whether a robot was negligent or malicious when disseminating libelous content damaging individuals or organizations. —Encyclopedia Britannica, 28 May 2026

Cook County Judge Thomas Lyons, presiding judge of the Law Division, granted a motion from the city of Chicago to split the trial in two, severing the claims of negligent hiring by the city from the allegations around the shooting by Officer Eric Stillman. —Madeline Buckley, Chicago Tribune, 28 May 2026

Bartscher granted a downward departure, finding that Ryan’s conduct was less serious than typical culpable negligent cases and citing her remorse, court records show. —Nick Ferraro, Twin Cities, 26 May 2026