Synonyms|197Antonyms|4|Broader|0Narrower|0Related|8

64 entries under certain topic. ×

2
sure(adjective, adverb, definite, just)
1
assured(adjective, clear, definite, sure)
1
convinced(adjective, clear, definite, positive)
1
convincing(adjective, clear, definite, positive)
1
doubtless(adjective, adverb, clear, definite)
1
free from doubt(expression, adjective, idiom, clear)
1
genuine(adjective, clear, definite, positive)
1
guaranteed(adjective, firm, definite, sure)
1
have a lock on(adjective, firm, definite, sure)
1
incontestable(adjective, clear, definite, positive)
1
incontrovertible(adjective, clear, definite, positive)
1
indisputable(adjective, clear, definite, positive)
1
indubitable(adjective, clear, definite, positive)
1
never-failing(adjective, clear, definite, sure)
1
on ice(adjective, firm, definite, sure)
1
persuaded(adjective, clear, definite, positive)
1
real(adjective, adverb, clear, really)
1
satisfied(adjective, clear, definite, positive)
1
sure-fire(adjective, definite, sure, assured)
1
sure enough(expression, adjective, firm, approved)
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ChicagoSmart Define. 2015. "for a fact thesaurus" https://smartdefine.org/for_a_fact/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, for a fact thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/for_a_fact/thesaurus/synonyms>.
MLASmart Define. "for a fact thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/for_a_fact/thesaurus/synonyms>