Synonyms|345Antonyms|153|Broader|4Narrower|8Related|725

146 entries under adjective topic. ×

1
dire(miserable, wretched, unfortunate, doomed)
1
feeble(weak, inferior, short, inadequate)
1
for nothing
1
forceless(inferior, inadequate, limited, feeble)
1
groundless(empty, worthless, frivolous, ineffective)
1
hollow(useless, trivial, empty, insufficient)
1
ill-fated(bad, poor, miserable, failing)
1
ill-starred(bad, poor, miserable, wretched)
1
in vain
1
inadequate(weak, inferior, short, limited)
1
infertile
1
insufficient(weak, short, useless, trivial)
1
invalid(meaningless, unsubstantiated, unsupported, annulled)
1
negated(meaningless, invalid, unsubstantiated, unsupported)
1
no avail
1
no purpose
1
non-beneficial(ability, proficiency, efficiency, effectiveness)
1
not viable(expression, meaningless, invalid, unsubstantiated)
1
null(inferior, inadequate, limited, feeble)
1
null and void(expression, idiom, inferior, inadequate)
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ChicagoSmart Define. 2016. "unsuccessful thesaurus" https://smartdefine.org/unsuccessful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unsuccessful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsuccessful/thesaurus/synonyms>.
MLASmart Define. "unsuccessful thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsuccessful/thesaurus/synonyms>