148 entries under persistent topic. ×

6
persevering(adjective, strong, tough, flat, firm)
6
staunch(adjective, strong, sound, tough, flat)
6
unending(adjective, continuous, endless, relentless)
6
unflagging
6
uniform(adjective, firm, solid, ordinary, usual)
5
connected(verb, adjective, dull, steady, stable)
5
endless(adjective, determined, steady, resolute)
5
ineradicable(adjective, set, hardened, lasting)
5
true(adjective, clear, strong, hard, sound)
5
unhesitating(adjective, complete, firm, solid, certain)
5
unqualified(adjective, strong, complete, flat, firm)
5
unswerving(adjective, complete, firm, total, solid)
4
consistent(adjective, dull, set, strong, flat)
4
continuous(adjective, wild, original, unaffected)
4
long-standing(adjective, complete, true, customary)
4
routine(adjective, set, cold, common, ordinary)
4
single-minded(adjective, tough, firm, solid, determined)
4
unbroken(adjective, dull, complete, total, wild)
3
continual(adjective, determined, usual, steady, stable)
3
dependable(adjective, set, strong, tough, firm)
10 years ago|45k views|share |citing 
APASmart Define. (2016). fixed thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 20 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>