Synonyms|263Antonyms|79|Broader|1Narrower|0Related|671

29 entries under certain topic. ×

8
true(adjective, sound, reasonable, proper)
3
definite(adjective, true, sure, obvious)
3
evident(set, definite, demonstration, unquestionable)
3
irrefutable(adjective, sound, reasonable, rational)
2
accepted(solid, proper, sure, established)
2
incontestable(set, definite, unquestionable, indisputable)
2
indubitable(set, definite, sure, unquestionable)
2
sound(adjective, good, reasonable, sensible)
1
apodictic(set, unquestionable, indisputable, unassailable)
1
beyond question(expression, set, definite, unquestionable)
1
can bet on it(expression, set, unquestionable, indisputable)
1
double-checked(set, unquestionable, indisputable, unassailable)
1
inarguable(set, definite, unquestionable, indisputable)
1
invincible(set, unquestionable, indisputable, unassailable)
1
ironclad(set, unquestionable, indisputable, unassailable)
1
irrebuttable(set, unquestionable, indisputable, unassailable)
1
irresistible(set, unquestionable, indisputable, unassailable)
1
nof ifs ands or buts(expression, set, unquestionable, indisputable)
1
obvious(set, definite, sure, unquestionable)
1
odds-on(set, unquestionable, indisputable, unassailable)
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ChicagoSmart Define. 2015. "proven thesaurus" https://smartdefine.org/proven/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, proven thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/proven/thesaurus/synonyms>.
MLASmart Define. "proven thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/proven/thesaurus/synonyms>