75 entries under adjective topic. ×

1
cinched(set, clear, simple, plain)
1
clear-cut(set, clear, simple, plain)
1
clinched(set, solid, certain, sure)
1
defended(verb, secure, firm, guarded)
1
fast
1
for a fact(expression, firm, certain, definite)
1
incontestable(certain, unquestionable, undisputable)
1
indubitable(clear, sound, firm, plain)
1
irrefutable(clear, hard, sound, firm)
1
made certain(expression, set, solid, certain)
1
pronounced(set, solid, certain, sure)
1
racked(set, solid, certain, sure)
1
sealed(noun, verb, set, solid)
1
sewed up(expression, set, solid, certain)
1
shielded(verb, secure, guarded, sheltered)
1
surefire(set, firm, solid, certain)
1
sworn-to
1
undisputable(certain, unquestionable)
1
undoubted(clear, hard, sound, firm)
1
unquestionable(clear, sound, plain, solid)
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APASmart Define. (2015). guaranteed thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/guaranteed/thesaurus/synonyms
ChicagoSmart Define. 2015. "guaranteed thesaurus" https://smartdefine.org/guaranteed/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, guaranteed thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/guaranteed/thesaurus/synonyms>.
MLASmart Define. "guaranteed thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/guaranteed/thesaurus/synonyms>