198 entries under hard topic. ×
| conditioned(adjective, solid, stiff, sturdy) | |
| dimensional(adjective, substantial, sturdy, compact) | |
| disciplinary(adjective, tough, sturdy, rugged) | |
| dyed-in-the-wool(adjective, tough, sturdy, rugged) | |
| elastic(adjective, tough, flexible, hardy) | |
| expansive(adjective, tough, flexible, hardy) | |
| ferric(adjective, tough, sturdy, rigid) | |
| ferrous(adjective, tough, sturdy, rigid) | |
| flexible(adjective, tough, hardy, elastic) | |
| forbidding(adjective, tough, sturdy, rugged) | |
| frowning(adjective, tough, sturdy, rugged) | |
| frozen(adjective, compact, dense, rock-hard) | |
| grim(adjective, tough, sturdy, rugged) | |
| hang-tough(adjective, tough, sturdy, rugged) | |
| hard-boiled(adjective, tough, sturdy, rugged) | |
| hard-core(adjective, tough, sturdy, rigid) | |
| hard-line(adjective, tough, sturdy, rigid) | |
| hard-shell(adjective, tough, sturdy, rugged) | |
| hardheaded(adjective, tough, cold, sturdy) | |
| hulk(adjective, substantial, sturdy, compact) |
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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> |