2
demonstrative(definite, precise, sure, demonstration, decisive)
2
determinative(sound, reasonable, rational, definite, precise)
2
doubtless(adjective, certain)
2
explicit(adjective, clear, certain, sure)
2
factual(clear, physical, material, certain, sure)
2
firm(clear, physical, material, certain, sure)
2
fixed(adjective, clear, sound, firm, plain)
2
forceful(clear, certain, sure)
2
honest(physical, material, truthful, actual)
2
material(physical, actual)
2
official(sound, reasonable, rational, reliable)
2
patent(adjective, certain)
2
persuasive(adjective, sound, reasonable, rational)
2
powerful(sound, reasonable, rational)
2
probative
2
provable
2
settled(adjective, solid, certain, sure, absolute)
2
substantial(sound, reasonable, physical, material, rational)
2
telling(sound, reasonable, rational, definite, precise)
2
uncontested
11 years ago|7.7k views|share |citing 
APASmart Define. (2015). irrefutable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/irrefutable/thesaurus/synonyms
ChicagoSmart Define. 2015. "irrefutable thesaurus" https://smartdefine.org/irrefutable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, irrefutable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/irrefutable/thesaurus/synonyms>.
MLASmart Define. "irrefutable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/irrefutable/thesaurus/synonyms>