Synonyms|422Antonyms|127|Broader|5Narrower|1Related|1.1k

2 entries under effective topic. ×

3
powerful(adjective, strong)
1
efficient(adjective, adept)
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APASmart Define. (2016). unable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unable/thesaurus/antonyms
ChicagoSmart Define. 2016. "unable thesaurus" https://smartdefine.org/unable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unable/thesaurus/antonyms>.
MLASmart Define. "unable thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/unable/thesaurus/antonyms>