149 entries under stable topic. ×

5
right-minded(adjective, reasonable, sensible, rational, healthy)
5
trusty(adjective, strong, reasonable, honest, solid)
4
fixed(adjective, clear, strong, hard, secure)
4
intense(adjective, strong, tough, firm, solid)
4
set(adjective, calm, clear, strong, hard)
4
unshakable(adjective, strong, hard, secure, continue)
3
unspoiled(adjective, clean, solid, perfect, pure)
2
anchored(adjective, calm, strong, secure, firm)
2
aware(adjective, reasonable, sharp, sensible, rational)
2
bound(verb, adjective, check, strong, mark)
2
even(verb, adjective, calm, check, strong)
2
fastened(adjective, strong, secure, firm, solid)
2
imperturbable(adjective, calm, firm, sensible, solid)
2
nailed(adjective, calm, strong, secure, firm)
2
resolute(adjective, calm, strong, secure, easy)
2
tenacious(adjective, strong, secure, tough, fit)
2
tried-and-true(adjective, good, strong, honest, sensible)
2
true-blue(adjective, strong, honest, solid, true)
2
unqualified(adjective, firm, solid, fixed)
2
unwavering(adjective, calm, strong, secure, firm)
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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>