154 entries under firm topic. ×
| stubborn(adjective, characteristic, quality, strong, secure) | |
| liege(adjective, continue, honest, sensible) | |
| locked(adjective, strong, sound, secure) | |
| stuck(adjective, steady, fixed, tight) | |
| attached(adjective, close, secure, correct) | |
| bound(adjective, close, strong, tough) | |
| changeless(adjective, solid, stable, fixed) | |
| reliable(adjective, calm, close, strong, secure) | |
| resolute(adjective, calm, close, strong, secure) | |
| securely(adverb, thoroughly, strongly, firmly) | |
| snug(adjective, close, strong, warm) | |
| tightly(adverb, severely, thoroughly, intensely) | |
| unchanging(adjective, close, correct, honest) | |
| wedged(adjective, constant, steadfast, unwavering) | |
| abiding(adjective, calm, strong, secure, tough) | |
| balanced(adjective, calm, strong, secure) | |
| dependable(adjective, close, strong, tough, correct) | |
| indelible(adjective, continue, constant, steadfast) | |
| solidly(adverb, severely, thoroughly, intensely) | |
| stalwart(adjective, calm, strong, tough) |
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| APA | Smart Define. (2016). fast thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fast/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fast thesaurus" https://smartdefine.org/fast/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, fast thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fast/thesaurus/synonyms>. |
| MLA | Smart Define. "fast thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/fast/thesaurus/synonyms> |