891 entries under adjective topic. ×
| reliable(calm, close, clear, strong) | |
| unshakeable(determined, resolute, uncompromising) | |
| adamantine(strong, hard, tough, determined) | |
| certain(characteristic, good, change, clear) | |
| definite(good, clear, strong, complete) | |
| faithful(good, close, strong, correct) | |
| dense(set, strong, hard, tough) | |
| strict(close, strong, hard, tough) | |
| unchanging(close, correct, moderate, severe) | |
| devoted(good, close, strong, correct) | |
| intent(set, intense, certain, deliberate) | |
| iron(noun, mean, strong, hard) | |
| persevering(strong, tough, certain, determined) | |
| positive(good, clear, strong, complete) | |
| true(good, close, clear, strong) | |
| unchangeable(calm, strong, secure, moderate) | |
| rooted(strong, hard, secure, property) | |
| compact(verb, close, set, fix) | |
| concrete(verb, close, set, clear) | |
| dependable(good, close, strong, tough) |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |