198 entries under hard topic. ×
| resolution(noun, active, intensity) | |
| rock(adjective, substantial, sturdy, compact) | |
| rubbery(adjective, tough, flexible, hardy) | |
| strength(noun, active, intensity) | |
| tangible(noun, adjective, plain, active) | |
| thug(noun, active, intensity) | |
| toughness(noun, active, intensity) | |
| unrelenting(adjective, tough, cold, sturdy) | |
| ascendant(noun, adjective, active, intensity) | |
| booming(tough, fit, healthy, favorable) | |
| brawn(noun, active, intensity) | |
| brick wall(expression, adjective, calm, solid) | |
| buoyant(adjective, tough, energetic, lively) | |
| cast iron(noun, expression, idiom, active) | |
| compacted(adjective, set, firm, substantial) | |
| compressed(adjective, close, set, firm) | |
| confinement(noun, active, intensity) | |
| consolidated(adjective, set, firm, solid) | |
| cruel(adjective, tough, severe, intense) | |
| custody(noun, active, intensity) |
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| APA | Smart Define. (2016). strong thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strong/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, strong thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strong/thesaurus/synonyms>. |
| MLA | Smart Define. "strong thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/strong/thesaurus/synonyms> |