Synonyms|440Antonyms|121|Broader|7Narrower|1Related|160

70 entries under constant topic. ×

3
rigid(adjective, set, regular, fixed)
2
dedicated(adjective, strong, firm, determined, steady)
2
dyed-in-the-wool(adjective, certain, true, reliable)
2
enduring(adjective, set, clear, certain, steady)
2
immutable(set, regular, fixed, rigid)
2
indomitable(adjective, strong, firm, determined, steady)
2
plodding(adjective, strong, firm, determined, steady)
2
plugging(adjective, strong, firm, determined, steady)
2
static(set, regular, fixed, rigid)
2
strong(adjective, good, firm, honest, solid)
2
tried-and-true(adjective, good, strong, honest, solid)
2
undeviating(adjective, regular, even, rigid)
2
unflinching(adjective, set, strong, firm, determined)
2
uniform(adjective, set, regular, fixed, even)
1
continued(adjective, strong, firm, determined, steady)
1
fireball(adjective, strong, firm, determined, steady)
1
go-go(adjective, strong, firm, determined, steady)
1
grind(adjective, strong, firm, energetic, determined)
1
recurrent(steady, continuous, endless, frequent)
1
repeated(steady, continuous, endless, frequent)
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ChicagoSmart Define. 2016. "unfailing thesaurus" https://smartdefine.org/unfailing/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unfailing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfailing/thesaurus/synonyms>.
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