95 entries under vigorous topic. ×
| substantial(adjective, characteristic, calm, good, close) | |
| firm(noun, adjective, calm, good, close) | |
| sound(noun, verb, adjective, characteristic, calm) | |
| strong(adjective, calm, good, person, set) | |
| sturdy(adjective, calm, person, body, strong) | |
| stable(adjective, good, strong, hard, sound) | |
| real(adjective, intense, physical, material, pure) | |
| good(adjective, strong, great, sound, right) | |
| safe(adjective, calm, good, strong, complete) | |
| hearty(adjective, person, body, strong, sound) | |
| whole(verb, adjective, sound, complete, clean) | |
| full(adjective, complete, total, enthusiastic) | |
| genuine(adjective, good, sound, correct, right) | |
| robust(adjective, person, body, strong, sound) | |
| true(adjective, good, strong, sound, smooth) | |
| complete(adjective, complete, excellent, total, perfect) | |
| entire(adjective, sound, complete, whole) | |
| honest(adjective, strong, open, reasonable, physical) | |
| intact(verb, adjective, sound, complete, simple) | |
| square(noun, adjective, smooth, correct, honest) |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |