148 entries under fixed topic. ×

1
sedate(adjective, calm, quiet, easy, firm)
1
self-possessed(adjective, calm, sound, firm, solid)
1
set in concrete(expression, idiom, steady, impassive)
1
solid as a rock(expression, adjective, idiom, strong, firm)
1
solid as rock(expression, adjective, idiom, steady, regular)
1
standardized(adjective, dull, steady, regular)
1
staying put(expression, adjective, steady, even)
1
stock-still(adjective, calm, quiet, smooth, still)
1
unmodifiable(adjective, secure, steady, even)
1
unmoving(adjective, calm, quiet, strong, secure)
1
unqualified(adjective, strong, flat, firm, solid)
1
unshaken(adjective, strong, flat, firm, solid)
0
adherent(firm, true, constant, steadfast)
0
allegiant(adjective, firm, solid, resolute)
0
clear(adjective, firm, ingrained, unshakable)
0
glued(firm, true, constant, steadfast)
0
held(firm, true, constant, steadfast)
0
inextricable(firm, true, constant, steadfast)
0
intense(adjective, firm, solid, sober)
0
liege(adjective, firm, solid, resolute)
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APASmart Define. (2015). stable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stable/thesaurus/synonyms
ChicagoSmart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, stable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>.
MLASmart Define. "stable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms>