448 entries under adjective topic. ×
| effectual(strong, power, thrive, valid) | |
| powerful(clear, strong, power, great) | |
| useful(valuable, practical, running, alive) | |
| efficacious(strong, power, moving, tough) | |
| efficient(good, strong, power, tough) | |
| operative(strong, power, active, valid) | |
| telling(clear, strong, great, energetic) | |
| impressive(strong, sharp, powerful, noble) | |
| potent(clear, strong, great, tough) | |
| strong(clear, strong, power, tough) | |
| forceful(clear, strong, power, tough) | |
| influential(clear, strong, great, influence) | |
| productive(power, tough, energetic, lively) | |
| capable(power, tough, keen, smart) | |
| compelling(clear, strong, great, energetic) | |
| active(movement, strong, moving, tough) | |
| beneficial(feature, characteristic, good, honor) | |
| practical(good, useful, valuable, experienced) | |
| valid(strong, power, legal, productive) | |
| persuasive(clear, strong, great, tough) |
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| APA | Smart Define. (2015). effective thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/effective/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "effective thesaurus" https://smartdefine.org/effective/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, effective thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/effective/thesaurus/synonyms>. |
| MLA | Smart Define. "effective thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/effective/thesaurus/synonyms> |