Synonyms|251Antonyms|122|Broader|7Narrower|2Related|39
1
forwardness(noun, disorder, abandon, extravagance, excess)
1
gluttony(noun, disorder, abandon, extravagance, excess)
1
heedlessness(noun, disregard, neglect, carelessness, negligence)
1
hesitation
1
immoderation(noun, disorder, abandon, extravagance, excess)
1
impotence
1
impropriety(noun, disorder, abandon, extravagance, excess)
1
inactiveness(noun, lazy, inactive, passive, inert)
1
irresponsibility(noun, disorder, abandon, extravagance, excess)
1
laissez-faire
1
lawlessness(noun, disorder, abandon, extravagance, excess)
1
leniency
1
libertinism(noun, disorder, extravagance, excess, impropriety)
1
loosening
1
mugwump
1
nihilism
1
nonfeasance
1
noninterference
1
nonperformance
1
permissiveness
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APASmart Define. (2015). slackness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/slackness/thesaurus/synonyms
ChicagoSmart Define. 2015. "slackness thesaurus" https://smartdefine.org/slackness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, slackness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/slackness/thesaurus/synonyms>.
MLASmart Define. "slackness thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/slackness/thesaurus/synonyms>