Synonyms|1.1kAntonyms|339|Broader|13Narrower|39Related|1k

6 entries under weak topic. ×

14
useless(adjective, sensible, inadequate, useful)
5
fruitless(adjective, inadequate, fruitful)
3
impotent(adjective, strong, inadequate, competent)
3
incapable(adjective, strong, fit, inadequate)
3
incompetent(adjective, strong, inadequate, qualified)
3
inefficient(adjective, sound, inadequate, competent)
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APASmart Define. (2015). effective thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/effective/thesaurus/antonyms
ChicagoSmart Define. 2015. "effective thesaurus" https://smartdefine.org/effective/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, effective thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/effective/thesaurus/antonyms>.
MLASmart Define. "effective thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/effective/thesaurus/antonyms>