Find Synonyms
slackness Synonyms
Another word for slackness
Choosing another word for slackness depends on context, so the 14 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
• noun (Context 1)
The quality or state of being loose, relaxed, or not tautly stretched.
Usage Example
"The engineer adjusted the pulley to eliminate the dangerous looseness in the steel cable."
Strongest
looseness
Strong
laxity
flabbiness
limpness
• noun (Context 2)
Negligence, carelessness, or a lack of due diligence and effort in one's work or duty.
Usage Example
"The audit revealed a troubling negligence in how the department handled confidential financial records."
Strongest
negligence
laxity
Strong
remissness
carelessness
laziness
indolence
• noun (Context 3)
A state of low activity, sluggishness, or stagnation in business, trade, or movement.
Usage Example
"Retailers offered steep discounts to overcome the seasonal sluggishness in consumer demand."
Strongest
sluggishness
Strong
inactivity
stagnation
slowness
dullness
Opposites of slackness
The opposite of slackness shifts depending on context. Common opposites include:
tautness
tightness
diligence
briskness
tension
carefulness
conscientiousness
rigor
Cite this Entry
Wordmom. (2026). Synonyms for Slackness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/slackness