Synonyms|1.2kAntonyms|128|Broader|10Narrower|8Related|394

92 entries under stable topic. ×

1
certain(adjective, set, clear, complete, firm)
1
cool(noun, adjective, calm, quiet, strength)
1
equable(adjective, calm, strong, secure, firm)
1
even(adjective, calm, strong, secure, firm)
1
forever(constant, lasting, infinite, permanent)
1
immovable(adjective, firm, solid, determined, steady)
1
imperturbable(adjective, calm, quiet, cool, gentle)
1
in for the long haul(expression, idiom, constant, lasting)
1
liege(adjective, firm, solid, true, fast)
1
poised(adjective, calm, strong, secure, firm)
1
regular(adjective, firm, solid, steady)
1
safe(adjective, calm, strong, secure, firm)
1
sedate(adjective, firm, solid, fixed)
1
self-possessed(adjective, calm, quiet, gentle, firm)
1
serene(adjective, calm, quiet, gentle, firm)
1
set in stone(expression, adjective, idiom, calm, strong)
1
sober(adjective, calm, cool, firm, solid)
1
solid as a rock(expression, adjective, idiom, calm, strong)
1
staid(adjective, firm, solid, fixed)
1
uniform(adjective, calm, strong, secure, firm)
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APASmart Define. (2016). enduring thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>