neglectful

adjective

ne·​glect·​ful ni-ˈglek(t)-fəl 

: given to neglecting : careless, heedless

neglectfully

ni-ˈglek(t)-fə-lē 

adverb

neglectfulness noun

Synonyms

• careless
• lazy
• neglecting
• negligent
• derelict

Choose the Right Synonym for neglectful

negligent, neglectful, lax, slack, remiss mean culpably careless or indicative of such carelessness.

negligent implies inattention to one's duty or business.

negligent about writing a note of thanks

neglectful adds a more disapproving implication of laziness or deliberate inattention.

a society callously neglectful of the poor

lax implies a blameworthy lack of strictness, severity, or precision.

a reporter lax about accurate quotation

slack implies want of due or necessary diligence or care.

slack workmanship

remiss implies blameworthy carelessness shown in slackness, forgetfulness, or neglect.

had been remiss in their familial duties

Examples of neglectful in a Sentence

he's certainly not a neglectful father as he takes very good care of his children

Recent Examples on the Web

Director Kim Jee-woon uses every trick in the haunted-house book when spinning the tale of two vulnerable sisters, their neglectful father, and their evil stepmother, all of whom are trapped together in a shabby (but beautifully filmed) old country house. —Katie Rife, Entertainment Weekly, 29 Oct. 2025

One of the tale’s bitterest ironies is that Victor will become a more demanding, more neglectful, and vastly more destructive father figure than Leopold ever was. —Justin Chang, New Yorker, 28 Oct. 2025

After sharing his story online, commenters expressed sympathy for the boy’s situation, calling his father’s behavior selfish and neglectful. —Ashley Vega, PEOPLE, 27 Oct. 2025

But his past haunts him, especially his childhood with an alcoholic, emotionally neglectful father (Stephen Graham) and loving but turbulent mother (Gaby Hoffman). —Katie Walsh, Boston Herald, 23 Oct. 2025

Word History

Etymology

neglect entry 2 + -ful entry 1

First Known Use

1624, in the meaning defined above

Rhymes for neglectful

• respectful
• disrespectful

Kids Definition

neglectful

adjective

ne·​glect·​ful ni-ˈglek(t)-fəl 

: given to neglecting : careless

neglectfully

-fə-lē 

adverb