7
irrefutable(adjective, accepted)
6
clear(adjective, straightforward, definite, precise, absolute)
6
decided(adjective, certain, straightforward, definite, precise)
6
indefeasible(adjective, ideal, all time, the best)
6
obvious(adjective, certain, straightforward, definite, precise)
5
absolute(adjective, complete, correct, perfect, exact)
5
acknowledged(adjective, accepted)
5
positive(adjective, complete, certain, determined, full)
5
unmistakable
4
authoritative(adjective, certain, accepted, acknowledged, undoubted)
4
beyond question(expression, adjective, idiom, certainty, accepted)
4
conclusive(adjective, accepted)
4
doubtless(adverb, certainty)
4
explicit(adjective, certain, straightforward, definite, precise)
3
admitted(adjective, accepted)
3
assured(adjective, certain, straightforward, definite, distinct)
3
authentic
3
evident(adjective, straightforward, precise, unambiguous)
3
questionless
3
received
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APASmart Define. (2015). undisputed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undisputed/thesaurus/synonyms
ChicagoSmart Define. 2015. "undisputed thesaurus" https://smartdefine.org/undisputed/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, undisputed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undisputed/thesaurus/synonyms>.
MLASmart Define. "undisputed thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/undisputed/thesaurus/synonyms>