269 entries under strong topic. ×
| fit as a fiddle(expression, adjective, idiom, health) | |
| fit as fiddle(expression, tough, fit, healthy) | |
| fixed resistant(expression, calm, solid, substantial) | |
| fortified(adjective, firm, solid, true) | |
| full-bodied(tough, fit, healthy, well) | |
| full of life(expression, tough, fit, fresh) | |
| generous(adjective, solid, big, important) | |
| hard-driving(adjective, tough, intense, energetic) | |
| hard as nails(expression, adjective, idiom, tough) | |
| heavy-duty(adjective, tough, solid, heavy) | |
| hopeful(reasonable, solid, certain, definite) | |
| hulk(adjective, hard, substantial, sturdy) | |
| immovable(adjective, secure, firm, solid) | |
| immutable(calm, steady, even, constant) | |
| impervious(adjective, calm, tough, restrained) | |
| in fine feather(expression, adjective, idiom, good) | |
| in good health(expression, adjective, idiom, tough) | |
| incorrupt(adjective, good, right, honest) | |
| lively(adjective, tough, fit, energetic) | |
| locked(adjective, firm, solid, short) |
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| APA | Smart Define. (2016). sound thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sound/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, sound thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>. |
| MLA | Smart Define. "sound thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms> |