167 entries under sturdy topic. ×
| peppy(adjective, tough, energetic, powerful, lively) | |
| vital(adjective, tough, energetic, powerful, lively) | |
| zippy(adjective, tough, sharp, energetic, powerful) | |
| bulky(adjective, person, body, solid, active) | |
| dense(adjective, person, set, body, hard) | |
| dependable(adjective, good, tough, honest, solid) | |
| indomitable(adjective, hard, great, tough, firm) | |
| massive(adjective, person, body, powerful, large) | |
| rough(adjective, hard, tough, intense, violent) | |
| snappy(adjective, tough, sharp, energetic, powerful) | |
| thriving(adjective, sound, tough, fit, happy) | |
| unshakable(adjective, strong, hard, secure, tough) | |
| bitter(adjective, hard, tough, sharp, intense) | |
| leathery(adjective, hard, solid, stiff) | |
| reliable(adjective, calm, sound, tough, reasonable) | |
| serious(adjective, hard, tough, firm, solid) | |
| strict(adjective, hard, tough, severe, flat) | |
| thick(adjective, person, body, hard, tough) | |
| adamantine(adjective, set, hard, tough, firm) | |
| authoritarian(adjective, hard, tough, energetic, powerful) |
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| APA | Smart Define. (2016). strong thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/strong/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, strong thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/strong/thesaurus/synonyms>. |
| MLA | Smart Define. "strong thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/strong/thesaurus/synonyms> |