22 entries under decisive topic. ×

21
unquestionable(adjective, correct, solid, exact, certain)
18
sure(adjective, clear, firm, solid, certain)
12
definite(adjective, clear, correct, firm, solid)
9
irrefragable(adjective, certain, definite, precise, sure)
5
decided(adjective, clear, severe, solid, certain)
3
unarguable(adjective, definite, precise, sure)
2
categorical(adjective, clear, certain, definite, sure)
2
demonstrative(definite, precise, sure, demonstration)
1
all out(expression, definite, precise, sure)
1
clinching(definite, precise, sure, final)
1
deciding(definite, precise, sure, final)
1
determinant(definite, precise, sure, final)
1
flat out(expression, definite, precise, sure)
1
irrefrangible(definite, precise, sure, final)
1
irrevocable(definite, precise, sure, absolute)
1
litmus test(expression, definite, precise, sure)
1
precise(definite, sure, final)
1
resolving(definite, precise, sure, final)
1
revealing(definite, precise, sure, final)
1
settling(definite, precise, sure, final)
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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>