- Definitions|2
- Thesaurus|3.4k
- Abbreviations|0
103 entries under hard topic. ×
| hardheaded(adjective, strong, tough, rugged) | |
| harsh(adjective, strong, tough, rugged) | |
| impenetrable(solid, rigid) | |
| impermeable(solid, rigid) | |
| implacable(adjective, strong, tough, rugged) | |
| inelastic(tough, solid, rigid, inflexible) | |
| inexorable(adjective, strong, tough, rugged) | |
| insensible(adjective, strong, tough, rugged) | |
| jelled(tough, solid, rigid, inflexible) | |
| massed(adjective, strong, substantial, compact) | |
| mortified(adjective, strong, tough, rugged) | |
| nonporous(tough, solid, rigid, inflexible) | |
| rigorous(adjective, strong, complete, tough) | |
| rock(adjective, strong, substantial, compact) | |
| rock-hard(adjective, compact, dense) | |
| severe(adjective, strong, tough, rugged) | |
| solidified(tough, solid, rigid, inflexible) | |
| steel(adjective, strong, tough, rugged) | |
| stiff-necked(adjective, strong, tough, rugged) | |
| strict(adjective, strong, tough, rugged) |
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| APA | Smart Define. (2016). sturdy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sturdy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>. |
| MLA | Smart Define. "sturdy thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms> |