Synonyms|575Antonyms|159|Broader|8Narrower|6Related|1.1k

2 entries under effective topic. ×

4
potent(adjective, powerful, forceful, mighty)
2
efficient(adjective, adept)
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APASmart Define. (2016). helpless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/helpless/thesaurus/antonyms
ChicagoSmart Define. 2016. "helpless thesaurus" https://smartdefine.org/helpless/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, helpless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/helpless/thesaurus/antonyms>.
MLASmart Define. "helpless thesaurus" 3 April 2016. Web. 25 September 2026. <https://smartdefine.org/helpless/thesaurus/antonyms>