149 entries under stable topic. ×
| well-adjusted(adjective, sensible, rational, normal) | |
| abiding(adjective, calm, strong, secure, tough) | |
| ardent(adjective, firm, solid, enthusiastic, true) | |
| bolted(strong, secure, fast, short, substantial) | |
| brick-wall(adjective, calm, strong, secure, firm) | |
| calm(adjective, strong, secure, reasonable, firm) | |
| closed(strong, secure, substantial, unmoving) | |
| composed(adjective, calm, quiet, reasonable, sensible) | |
| devoted(adjective, strong, honest, solid, true) | |
| equable(adjective, calm, strong, secure, firm) | |
| fortified(adjective, strong, firm, solid, true) | |
| immovable(adjective, strong, secure, firm, solid) | |
| in good health(expression, adjective, idiom, strong, tough) | |
| incorrupt(adjective, good, strong, right, honest) | |
| locked(adjective, strong, firm, solid, short) | |
| poised(adjective, calm, strong, secure, firm) | |
| regular(verb, adjective, correct, appropriate, firm) | |
| reserved(adjective, calm, firm, sensible, solid) | |
| rooted(adjective, strong, hard, secure, firm) | |
| safe and sound(expression, adjective, idiom, strong, tough) |
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| APA | Smart Define. (2016). sound thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sound/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sound thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>. |
| MLA | Smart Define. "sound thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms> |