166 entries under firm topic. ×

1
truthful(adjective, close, correct, honest)
1
unflappable(adjective, calm, quiet, set, cool)
1
unfluctuating(adjective, calm, strong, secure)
1
uniform(adjective, calm, strong, secure)
1
veracious(adjective, good, close, strong, correct)
0
adherent(true, fixed, constant, steadfast)
0
die-hard(adjective, honest, ardent, upright)
0
glued(true, fixed, constant, steadfast)
0
held(true, fixed, constant, steadfast)
0
imperturbable(adjective, solid, certain, stable)
0
in good faith(expression, adjective, idiom, honest)
0
indelible(true, fixed, constant, steadfast)
0
inextricable(true, fixed, constant, steadfast)
0
levelheaded(adjective, calm, quiet, cool)
0
patterned(adjective, solid, stable, fixed)
0
reserved(adjective, solid, stable, fixed)
0
resistant(true, fixed, constant, steadfast)
0
sedate(adjective, solid, stable, fixed)
0
serene(adjective, calm, quiet, cool)
0
serious-minded(adjective, solid, stable, fixed)
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APASmart Define. (2016). sure thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sure/thesaurus/synonyms
ChicagoSmart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sure thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>.
MLASmart Define. "sure thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms>