253 entries under adjective topic. ×

2
madcap(unaccountable, irresponsive)
2
mild(feature, state, trait)
2
nugatory(value, inferior, insignificant, inadequate)
2
pointless(value, stupid, insignificant, idle)
2
relaxed(feature, state, indifferent, trait)
2
serene(feature, state, indifferent, trait)
2
tactless(rude, careless, thoughtless, unwise)
2
uncareful(careless, wild, immoral, thoughtless)
2
undisturbed(feature, state, indifferent, trait)
2
unheeding(careless, thoughtless, unwise, reckless)
2
unmindful(careless, careful, thoughtless, rash)
2
unprofitable(weak, stupid, inferior, insignificant)
2
unworried(feature, state, indifferent, trait)
1
absurd(value, insignificant, unimportant, empty)
1
airy(feature, state, trait)
1
awkward
1
blank(value, insignificant, unimportant, empty)
1
blind(indifferent, unsympathetic, inattentive, uninterested)
1
blithesome(feature, state, trait)
1
bouncy(feature, state, trait)
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APASmart Define. (2015). feckless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/feckless/thesaurus/synonyms
ChicagoSmart Define. 2015. "feckless thesaurus" https://smartdefine.org/feckless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, feckless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/feckless/thesaurus/synonyms>.
MLASmart Define. "feckless thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/feckless/thesaurus/synonyms>