78 entries under hard topic. ×
| dense(adjective, set, tough, firm) | |
| thick(adjective, close, tough, firm) | |
| condensed(adjective, close, set, tough) | |
| solid(adjective, close, set, tough) | |
| close(adjective, set, fix, settle) | |
| compressed(adjective, set, tough, firm) | |
| tight(adjective, close, warm, firm) | |
| firm(noun, adjective, close, set, fix) | |
| impenetrable(adjective, close, set, tough) | |
| concentrated(adjective, set, strong, tough) | |
| set(verb, adjective, close, fix) | |
| compacted(adjective, set, strong, firm) | |
| concrete(verb, adjective, close, set) | |
| heavy(adjective, set, strong, tough) | |
| stiff(adjective, set, tough, firm) | |
| stocky(adjective, heavy, small, deep) | |
| consolidated(adjective, close, set, strong) | |
| impermeable(adjective, close, set, tough) | |
| massive(adjective, deep, fat, broad) | |
| squat(adjective, heavy, small, short) |
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| APA | Smart Define. (2016). compact thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/compact/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "compact thesaurus" https://smartdefine.org/compact/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, compact thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/compact/thesaurus/synonyms>. |
| MLA | Smart Define. "compact thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/compact/thesaurus/synonyms> |