Synonyms|412Antonyms|83|Broader|4Narrower|1Related|376

46 entries under tough topic. ×

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expert(effective, adept, effectual, well-organized)
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fitted(effective, adept, effectual, well-organized)
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masterly(effective, adept, effectual, well-organized)
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practiced(effective, adept, effectual, well-organized)
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skilled(effective, adept, effectual, well-organized)
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talented(effective, adept, effectual, well-organized)
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APASmart Define. (2015). efficacious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/efficacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficacious thesaurus" https://smartdefine.org/efficacious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, efficacious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/efficacious/thesaurus/synonyms>.
MLASmart Define. "efficacious thesaurus" 13 October 2015. Web. 26 September 2026. <https://smartdefine.org/efficacious/thesaurus/synonyms>