6
absolute(adjective, certain)
6
bent(verb, adjective, set, strong, flat)
6
bound(verb, adjective, set, strong, flat)
6
continuing(adjective, established, hardened, unaffected, lasting)
6
dead in the water
6
decisive(adjective, set, firm, perfect, exact)
6
formal(adjective, proper, neat, established, organized)
6
framed(verb, adjective, set, exact, ready)
6
installed(verb, established, settled, ingrained, installed)
6
pat(adjective, firm, solid, certain, determined)
6
persevering(adjective, strong, tough, flat, firm)
6
pertinacious(adjective, tough, firm, determined, resolute)
6
planted(verb, adjective, set, established, settled)
6
precise(adjective, set, fine, thin, exact)
6
rebuilt(verb, adjective, going, lessened, restored)
6
staunch(adjective, strong, sound, tough, flat)
6
systematized(verb, neat, tidy, controlled, organized)
6
undeviating(adjective, strong, severe, flat, firm)
6
unending(adjective, persistent, continuous, endless, relentless)
6
unflagging(adjective, persistent)
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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>