149 entries under stable topic. ×

2
well-adjusted(adjective, sensible, rational, normal)
1
abiding(adjective, calm, strong, secure, tough)
1
ardent(adjective, firm, solid, enthusiastic, true)
1
bolted(strong, secure, fast, short, substantial)
1
brick-wall(adjective, calm, strong, secure, firm)
1
calm(adjective, strong, secure, reasonable, firm)
1
closed(strong, secure, substantial, unmoving)
1
composed(adjective, calm, quiet, reasonable, sensible)
1
devoted(adjective, strong, honest, solid, true)
1
equable(adjective, calm, strong, secure, firm)
1
fortified(adjective, strong, firm, solid, true)
1
immovable(adjective, strong, secure, firm, solid)
1
in good health(expression, adjective, idiom, strong, tough)
1
incorrupt(adjective, good, strong, right, honest)
1
locked(adjective, strong, firm, solid, short)
1
poised(adjective, calm, strong, secure, firm)
1
regular(verb, adjective, correct, appropriate, firm)
1
reserved(adjective, calm, firm, sensible, solid)
1
rooted(adjective, strong, hard, secure, firm)
1
safe and sound(expression, adjective, idiom, strong, tough)
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APASmart Define. (2016). sound thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sound/thesaurus/synonyms
ChicagoSmart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sound thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>.
MLASmart Define. "sound thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms>