144 entries under sure topic. ×

14
undeniable(adjective, clear, complete, correct, firm)
14
unerring(adjective, correct, firm, solid, perfect)
13
decisive(adjective, good, clear, strong, firm)
13
direct(adjective, set, clear, complete, total)
13
downright(noun, adjective, clear, complete, correct)
13
indubitable(adjective, clear, flat, firm, total)
13
set(verb, adjective, clear, strong, direct)
12
complete(adjective, clear, flat, firm, total)
12
outright(adjective, clear, complete, flat, total)
12
pronounced(adjective, clear, simple, sharp, bright)
12
settled(adjective, strong, easy, flat, firm)
12
unconditional(adjective, clear, complete, total, exact)
11
evident(adjective, clear, simple, sharp, bright)
11
incontestable(adjective, clear, plain, certain)
11
true(noun, adjective, good, strong, correct)
10
conclusive(adjective, clear, strong, correct, easy)
10
irrefutable(adjective, clear, correct, firm, solid)
10
perfect(noun, adjective, clear, complete, correct)
9
confident(adjective, clear, strong, easy, firm)
8
assertive(adjective, energetic, certain, unequivocal)
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APASmart Define. (2016). definite thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/definite/thesaurus/synonyms
ChicagoSmart Define. 2016. "definite thesaurus" https://smartdefine.org/definite/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, definite thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/definite/thesaurus/synonyms>.
MLASmart Define. "definite thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/definite/thesaurus/synonyms>