Synonyms|352Antonyms|90|Broader|7Narrower|0Related|321

117 entries under certain topic. ×

5
decided(adjective, clear, severe, solid)
5
evident(adjective, clear, material, obvious)
5
inarguable(adjective, clear, true, definite)
5
real(adjective, clear, material, sure)
5
solid(adjective, sound, reasonable, material)
5
unassailable(adjective, true)
4
accurate(adjective, sound, reasonable, rational)
4
assured(adjective, clear, definite, sure)
4
proven(adjective, sound, reasonable, rational)
4
set(adjective, clear, sound, firm, solid)
3
authoritative(clear, sound, reasonable, rational)
3
beyond doubt(expression, adjective, idiom, solid)
3
cocksure(adjective, clear, sure, guaranteed)
3
convinced(adjective, clear, sure)
3
hard(adjective, clear, true, sure)
3
sound(clear, reasonable, material, rational)
3
unambiguous(adjective, clear, definite, precise)
2
actual(clear, material, definite, sure)
2
authentic(sound, reasonable, material, rational)
2
categorical(adjective, clear, definite, sure)
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ChicagoSmart Define. 2015. "irrefutable thesaurus" https://smartdefine.org/irrefutable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, irrefutable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/irrefutable/thesaurus/synonyms>.
MLASmart Define. "irrefutable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/irrefutable/thesaurus/synonyms>