119 entries under firm topic. ×

8
liege(adjective, continue, fast, trust)
8
set(verb, adjective, control, order, clear)
7
clear(noun, adjective, correct, bright, clean)
7
indubitable(adjective, clear, correct, right)
7
undoubted(adjective, clear, sound, correct, right)
7
unequivocal(noun, adjective, good, strong, correct)
6
inflexible(adjective, strong, smooth, tough, flat)
6
persistent(adjective, strong, tough, flat)
6
stable(adjective, good, strong, smooth, right)
6
tenacious(adjective, strong, definite, fixed)
6
true-blue(adjective, good, close, strong, open)
5
allegiant(adjective, close, correct, continue, keen)
5
close(adjective, correct, honest, solid)
5
fixed(adjective, clear, strong, hard, sound)
5
persevering(adjective, strong, tough, flat)
5
plain(adjective, good, clear, open, simple)
5
tried(adjective, good, close, strong, correct)
5
unbending(adjective, strong, direct, flat)
5
unflagging(adjective, strong, certain, determined)
5
unflinching(adjective, strong, flat, certain)
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APASmart Define. (2016). true thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/true/thesaurus/synonyms
ChicagoSmart Define. 2016. "true thesaurus" https://smartdefine.org/true/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, true thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/true/thesaurus/synonyms>.
MLASmart Define. "true thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/true/thesaurus/synonyms>