52 entries under strong topic. ×
| effective(adjective, good, power, tough) | |
| active(adjective, direct, tough, energetic) | |
| operative(adjective, direct, energetic, lively) | |
| powerful(adjective, good, power, direct) | |
| functional(adjective, open, reasonable, sensible) | |
| energetic(adjective, direct, tough, violent) | |
| potent(adjective, good, direct, sound) | |
| dynamic(adjective, tough, energetic, powerful) | |
| forcible(adjective, direct, tough, energetic) | |
| tough(adjective, complete, intense, exact) | |
| utilitarian(adjective, reasonable, sensible, useful) | |
| power(energetic, active, vigorous, controlling) | |
| sound(adjective, direct, tough, reasonable) | |
| brisk(adjective, tough, intense, energetic) | |
| forceful(adjective, direct, tough, intense) | |
| lively(adjective, tough, energetic, powerful) | |
| persuasive(adjective, good, direct, sound) | |
| robust(adjective, tough, intense, energetic) | |
| usable(adjective, open, reasonable, sensible) | |
| athletic(adjective, tough, intense, energetic) |
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| APA | Smart Define. (2015). efficient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficient/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "efficient thesaurus" https://smartdefine.org/efficient/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, efficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficient/thesaurus/synonyms>. |
| MLA | Smart Define. "efficient thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/efficient/thesaurus/synonyms> |