- Definitions|2
- Thesaurus|5k
- Abbreviations|0
128 entries under sturdy topic. ×
| regular(adjective, firm, solid, stable, fixed) | |
| safe(adjective, calm, strong, complete, secure) | |
| staid(adjective, firm, solid, big, heavy) | |
| stocky(hard, deep, large, fat) | |
| unwavering(adjective, calm, strong, secure, firm) | |
| well-made(adjective, strong, sound, tough, solid) | |
| whole(complete, solid, vigorous) | |
| abiding(adjective, calm, strong, secure, tough) | |
| brick-wall(adjective, calm, strong, secure, firm) | |
| calm(adjective, quiet, strong, light, secure) | |
| capable(adjective, strong, sound, tough, fit) | |
| energetic(adjective, strong, sound, tough, solid) | |
| equable(adjective, calm, strong, secure, firm) | |
| even(adjective, calm, strong, secure, firm) | |
| forcible(adjective, strong, sound, tough, solid) | |
| hard as nails(expression, adjective, idiom, strong, sound) | |
| impervious(hard, tough, solid, rigid) | |
| in fine feather(expression, adjective, idiom, strong, sound) | |
| perdurable(calm, strong, tough, solid, steady) | |
| poised(adjective, calm, strong, secure, firm) |
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| APA | Smart Define. (2016). substantial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, substantial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>. |
| MLA | Smart Define. "substantial thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms> |