Synonyms of heedlessness

heedlessness

noun

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

• negligence
• neglectfulness
• carelessness
• neglect
• remissness
• laxness
• recklessness
• slackness
• omission
• rashness
• dereliction
• foolhardiness
• incaution
• incautiousness
• forgetfulness
• wildness
• irresponsibility
• misconduct
• malfeasance
• inattention
• malpractice
• inadvertency
• inadvertence
• mismanagement
• inattentiveness
• delinquency
• misdirection
• mishandling
• obliviousness
• shortsightedness
• irresponsibleness
• unwariness

Antonyms & Near Antonyms

• care
• carefulness
• caution
• awareness
• attention
• alertness
• attentiveness
• cautiousness
• heedfulness
• watchfulness
• vigilance
• circumspection
• observance
• responsibility
• responsibleness

Example Sentences

Recent Examples of heedlessness

Holden’s moral rigor is refreshing in a cultural moment marked by an unsettling mix of cynicism and heedlessness. — Lily Meyer, The Atlantic, 7 July 2026

The heedlessness of the children has touched her mood. — Literary Hub, 28 Aug. 2025