220 entries under strong topic. ×
| secure(adjective, sound, tough, solid) | |
| stark(adjective, sound, tough, solid) | |
| steamroller(adjective, great, energetic, powerful) | |
| strengthy(energetic, powerful, capable, effective) | |
| stringent(adjective, severe, energetic, powerful) | |
| tiger(tough, fit, healthy, noble) | |
| titanic(adjective, great, energetic, powerful) | |
| trim(adjective, great, sound, tough) | |
| up to snuff(expression, adjective, idiom, complete) | |
| well-founded(adjective, sound, tough, solid) | |
| well-made(adjective, sound, tough, solid) | |
| wicked(tough, fit, energetic, healthy) | |
| wieldy(energetic, powerful, capable, effective) | |
| wrapped tight(expression, adjective, great, sound) | |
| zappy(adjective, tough, fit, energetic) | |
| acclimatized(fit, healthy, well, robust) | |
| all-powerful(energetic, capable, effective, prevailing) | |
| all right(expression, tough, fit, fresh) | |
| almighty(energetic, powerful, capable, effective) | |
| authoritarian(energetic, effective, prevailing, influential) |
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| APA | Smart Define. (2016). vigorous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vigorous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "vigorous thesaurus" https://smartdefine.org/vigorous/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, vigorous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vigorous/thesaurus/synonyms>. |
| MLA | Smart Define. "vigorous thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/vigorous/thesaurus/synonyms> |