151 entries under stable topic. ×
| regular(adjective, dull, complete, solid, usual) | |
| right(adjective, close, complete, correct, moderate) | |
| riveted(adjective, strong, secure, determined, steady) | |
| safe(adjective, calm, good, clear, strong) | |
| sober(adjective, moderate, severe, harsh, solid) | |
| thorough(adjective, clear, complete, total, solid) | |
| unmoving(adjective, calm, strong, secure, severe) | |
| braced(adjective, strong, secure, unmoving) | |
| calm(verb, adjective, fix, strong, secure) | |
| connected(adjective, dull, steady, regular) | |
| cool(adjective, solid, cold, indifferent) | |
| even(adjective, calm, strong, secure, solid) | |
| habitual(adjective, dull, steady, regular) | |
| imperturbable(adjective, solid, fixed, sturdy) | |
| liege(adjective, continue, honest, solid, pure) | |
| locked(adjective, strong, sound, secure, fast) | |
| mounted(adjective, strong, secure, unmoving) | |
| screwed(adjective, strong, secure, unmoving) | |
| soldered(adjective, strong, secure, unmoving) | |
| spiked(adjective, strong, secure, unmoving) |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |