Synonyms of slackness

slackness

noun

1

as in negligence

failure to take the care that a cautious person usually takes

considering the chemical company's slackness when it comes to safety, it's a wonder there hasn't been a catastrophe

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

2

as in slack

the extent to which something hangs or dips below a straight line

there's simply too much slackness in this clothesline

Synonyms & Similar Words

• slack
• sag
• droop
• hang
• looseness
• laxness
• laxity
• limpness
• floppiness

Antonyms & Near Antonyms

• tension
• rigidity
• tightness
• tenseness
• tautness
• rigidness

Example Sentences

Recent Examples of slackness

In the games so far, there have been quite a few fumbles and an apparent slackness of mind and limb. — E. Tammy Kim, New Yorker, 24 June 2026