Synonyms|281Antonyms|24|Broader|5Narrower|0Related|69

116 entries under certain topic. ×

2
firm(clear, valid, unquestionable, undisputable)
2
inevitable(unquestionable, undisputable)
2
infallible(adjective, clear, flawless, valid)
2
nailed down(expression, adjective, clear, simple, plain)
2
on ice(expression, adjective, clear, firm, solid)
2
settled(adjective, set, solid, fixed)
2
steady(unquestionable, undisputable)
2
sure-fire(adjective, definite, sure, flawless)
2
unfailing(adjective, flawless, unquestionable, undisputable)
1
absolutely certain(expression, adjective, set, solid)
1
beyond doubt(expression, adjective, set, solid)
1
cinched(adjective, set, clear, simple, plain)
1
clear-cut(adjective, set, clear, simple, plain)
1
clinched(adjective, set, solid, sure)
1
conclusive(clear, simple, plain, straightforward)
1
express
1
for a fact(expression, adjective, firm, definite)
1
genuine(clear, valid, unquestionable, undisputable)
1
incontestable(adjective, unquestionable, undisputable)
1
incontrovertible(clear, valid, unquestionable, undisputable)
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ChicagoSmart Define. 2015. "guaranteed thesaurus" https://smartdefine.org/guaranteed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, guaranteed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/guaranteed/thesaurus/synonyms>.
MLASmart Define. "guaranteed thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/guaranteed/thesaurus/synonyms>