109 entries under strong topic. ×
| conditioned(adjective, hard, solid, stiff) | |
| determined(adjective, hard, tough) | |
| dimensional(adjective, hard, substantial, compact) | |
| disciplinary(adjective, hard, tough, sturdy) | |
| dyed-in-the-wool(adjective, hard, tough, sturdy) | |
| ferric(adjective, hard, tough, sturdy) | |
| ferrous(adjective, hard, tough, sturdy) | |
| fibrous(adjective, hard, solid, stiff) | |
| fit(adjective, hard, solid, stiff) | |
| forbidding(adjective, hard, tough, sturdy) | |
| frowning(adjective, hard, tough, sturdy) | |
| grim(adjective, hard, tough, sturdy) | |
| hang-tough(adjective, hard, tough, sturdy) | |
| hard-boiled(adjective, hard, tough, sturdy) | |
| hard-core(adjective, hard, tough, sturdy) | |
| hard-line(adjective, hard, tough, sturdy) | |
| hard-nosed(adjective, hard, tough, sturdy) | |
| hard-shell(adjective, hard, tough, sturdy) | |
| hardheaded(adjective, hard, tough, sturdy) | |
| harsh(adjective, hard, tough, sturdy) |
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| APA | Smart Define. (2015). dense thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dense/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dense thesaurus" https://smartdefine.org/dense/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, dense thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dense/thesaurus/synonyms>. |
| MLA | Smart Define. "dense thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/dense/thesaurus/synonyms> |