80 entries under solid topic. ×

3
uniform(adjective, calm, strong, secure, smooth)
3
unvarying(adjective, calm, strong, secure, smooth)
2
abiding(adjective, calm, strong, secure, firm)
2
fixed(adjective, dull, firm, still)
2
unwavering(adjective, calm, strong, direct, secure)
1
anchored(adjective, calm, strong, steady)
1
balanced(adjective, calm, strong, direct, secure)
1
brick-wall(adjective, calm, strong, secure, firm)
1
calm(adjective, strong, secure, smooth, firm)
1
changeless(adjective, smooth, right, firm)
1
deep-rooted(adjective, calm, strong, steady)
1
immutable(adjective, calm, strong, secure, firm)
1
imperturbable(adjective, calm, smooth, firm)
1
nailed(adjective, calm, strong, steady)
1
perdurable(adjective, calm, strong, steady)
1
poised(adjective, calm, strong, secure, firm)
1
regular(adjective, calm, smooth, right, flat)
1
reliable(adjective, calm, strong, secure, firm)
1
resolute(adjective, calm, strong, secure, firm)
1
safe(adjective, calm, strong, secure, firm)
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APASmart Define. (2015). stabile thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stabile/thesaurus/synonyms
ChicagoSmart Define. 2015. "stabile thesaurus" https://smartdefine.org/stabile/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, stabile thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stabile/thesaurus/synonyms>.
MLASmart Define. "stabile thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/stabile/thesaurus/synonyms>