7
unsure(adjective, dishonest, deceitful, unpredictable, unreliable)
7
volatile(adjective, unstable, unsettled, unreliable, changeable)
6
changeable(adjective, careless, excited, unstable, unsettled)
6
fast and loose(expression, adjective, idiom, unreliable, insecure)
6
impetuous(adjective, careless, unstable, bold, thoughtless)
6
irresolute(adjective, careless, unstable, unsettled, unpredictable)
6
lax(adjective, feature, state, careless, trait)
6
loose(adjective, informal, careless, indifferent, foolish)
6
puerile(adjective, silly, foolish, stupid, fantastic)
6
risky(adjective, characteristic, quality, finance, banking)
6
shifty(adjective, false, dishonest, deceitful, dubious)
6
stupid(adjective, careless, silly, foolish, vague)
6
unpredictable(adjective, careless, foolish, unstable, unsettled)
6
unsteady(adjective, unstable, unsettled, unpredictable, unreliable)
6
unwise(adjective, careless, silly, foolish, stupid)
6
worthless(adjective, characteristic, quality, finance, banking)
5
casual(adjective, feature, state, trait, happy-go-lucky)
5
commercially unsound(adjective, characteristic, quality, finance, banking)
5
exempt(safe, unaffected, protected, resistant, exemption)
5
fatuous(adjective, wrong, wild, strange, silly)
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APASmart Define. (2015). irresponsible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/irresponsible/thesaurus/synonyms
ChicagoSmart Define. 2015. "irresponsible thesaurus" https://smartdefine.org/irresponsible/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, irresponsible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/irresponsible/thesaurus/synonyms>.
MLASmart Define. "irresponsible thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/irresponsible/thesaurus/synonyms>