192 entries under firm topic. ×

5
persisting(adjective, determined, steady, stable)
5
scrupulous(adjective, close, correct, honest)
4
dutiful(adjective, close, kind, correct)
4
indomitable(adjective, strong, determined, steady)
4
sincere(adjective, good, close, strong, sound)
4
single-minded(adjective, sensible, solid, steady)
4
true blue(expression, idiom, honest, true)
4
uncompromising(adjective, clear, fixed, resolute)
4
unshaken(adjective, set, clear, strong, flat)
3
accurate(adjective, close, complete, correct)
3
balanced(adjective, calm, strong, secure, smooth)
3
calm(adjective, quiet, strong, secure, smooth)
3
definite(adjective, good, clear, strong, complete)
3
indelible(adjective, true, fixed, steadfast)
3
patient(adjective, strong, determined, steady)
3
pertinacious(adjective, strong, determined, active)
3
strong-minded(adjective, determined, serious, resolute)
3
strong-willed(adjective, strong, serious, resolute)
3
tried and true(expression, adjective, idiom, close, correct)
3
true-blue(adjective, good, close, strong, kind)
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APASmart Define. (2016). constant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/constant/thesaurus/synonyms
ChicagoSmart Define. 2016. "constant thesaurus" https://smartdefine.org/constant/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, constant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/constant/thesaurus/synonyms>.
MLASmart Define. "constant thesaurus" 12 February 2016. Web. 25 September 2026. <https://smartdefine.org/constant/thesaurus/synonyms>