Synonyms|76Antonyms|12|Broader|38Narrower|218Related|312

4 entries under negative topic. ×

4
effectless(adjective, ineffective, ineffectual, futile)
3
ineffectual(adjective, ineffective, futile)
3
ineffective(adjective, ineffectual, futile)
2
inefficient(adjective, ineffective, ineffectual, futile)
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APASmart Define. (2016). perspective thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/perspective/thesaurus/antonyms
ChicagoSmart Define. 2016. "perspective thesaurus" https://smartdefine.org/perspective/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, perspective thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/perspective/thesaurus/antonyms>.
MLASmart Define. "perspective thesaurus" 23 March 2016. Web. 23 September 2026. <https://smartdefine.org/perspective/thesaurus/antonyms>