144 entries under sure topic. ×

43
certain(adjective, good, clear, strong, complete)
38
clear(noun, adjective, clear, complete, correct)
37
positive(adjective, good, clear, strong, complete)
35
explicit(noun, adjective, clear, strong, complete)
31
unmistakable(adjective, set, clear, direct, correct)
27
absolute(adjective, clear, strong, complete, correct)
26
specific(noun, adjective, set, clear, strong)
24
decided(adjective, clear, firm, solid, perfect)
24
determined(adjective, good, clear, strong, easy)
24
precise(adjective, set, clear, hard, separate)
23
express(noun, verb, adjective, clear, separate)
21
unambiguous(adjective, set, clear, direct, sharp)
19
clear-cut(noun, adjective, set, clear, direct)
19
plain(adjective, clear, simple, sharp, flat)
18
fixed(adjective, set, clear, strong, complete)
18
categorical(adjective, clear, complete, flat, total)
17
firm(noun, adjective, good, clear, strong)
17
unquestionable(adjective, clear, correct, sharp, flat)
16
assured(adjective, clear, strong, easy, firm)
16
indisputable(adjective, clear, certain, true, precise)
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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>