101 entries under fixed topic. ×

20
substantial(adjective, calm, strong, sound, secure)
19
stabile(adjective, calm, strong, secure, strain)
17
continuing(noun, verb, adjective, increase, strength)
14
immutable(adjective, calm, strong, secure, firm)
11
unchanging(adjective, close, correct, firm, honest)
10
unwavering(adjective, calm, close, strong, secure)
9
changeless(adjective, firm, solid, certain, stable)
9
imperishable(adjective, constant, lasting, durable)
9
unfaltering(adjective, complete, firm, total, solid)
7
chronic(adjective, persistent, constant, current)
7
resolute(adjective, calm, close, strong, secure)
7
unchangeable(adjective, calm, strong, secure, flat)
7
unqualified(adjective, strong, complete, flat, firm)
6
unvarying(adjective, calm, strong, secure, firm)
5
lifelong(adjective, familiar, established, hardened)
5
secure(adjective, calm, strong, sound, tough)
5
staunch(adjective, calm, close, strong, sound)
5
sturdy(adjective, calm, strong, sound, secure)
5
unchanged(static, unchangeable)
4
ageless(adjective, unchanging, permanent, static)
10 years ago|19k views|share |citing 
APASmart Define. (2016). enduring thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>