233 entries under solid topic. ×
| unflappable(adjective, firm, certain, usual) | |
| unqualified(adjective, clear, strong, flat, firm) | |
| unquestionable(adjective, clear, certain, definite) | |
| unshaken(adjective, clear, strong, flat, firm) | |
| unswerving(adjective, strong, tough, firm) | |
| well-founded(adjective, calm, strong, steady) | |
| abiding(adjective, calm, strong, secure, flat) | |
| brittle(adjective, hard, firm, stiff) | |
| calcified(adjective, close, firm, contract) | |
| cemented(verb, adjective, strong, hard, firm) | |
| compressed(verb, adjective, hard, tough, slight) | |
| concentrated(verb, adjective, strong, hard, tough) | |
| dead set on(expression, adjective, idiom, strong, secure) | |
| equable(adjective, calm, strong, secure, firm) | |
| guaranteed(adjective, clear, sound, firm, plain) | |
| heavy(adjective, strong, hard, tough) | |
| lasting(adjective, calm, strong, firm) | |
| locked(verb, adjective, strong, secure) | |
| nailed down(expression, adjective, certain, sure) | |
| petrified(verb, adjective, strong, hard, firm) |
For more, visit
Set on
Power Thesaurus
| APA | Smart Define. (2016). set thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/set/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "set thesaurus" https://smartdefine.org/set/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, set thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/set/thesaurus/synonyms>. |
| MLA | Smart Define. "set thesaurus" 1 March 2016. Web. 20 September 2026. <https://smartdefine.org/set/thesaurus/synonyms> |