675 entries under adjective topic. ×

83
sure(good, set, clear, understanding)
47
positive(good, set, clear, strong)
44
definite(good, clear, strong, complete)
35
unquestionable(clear, correct, flat, honest)
34
indisputable(certain, true, ideal, unequivocal)
32
absolute(clear, strong, complete, correct)
31
confident(set, clear, strong, easy)
28
unequivocal(definite, absolute, positive, ideal)
27
undeniable(certain, true, definite, absolute)
24
incontestable(certain, true, ideal, unequivocal)
24
incontrovertible(certain, true, ideal, valid)
23
indubitable(clear, certain, true, real)
23
clear(complete, flat, firm, total)
22
specific(clear, correct, plain, exact)
19
determined(good, strong, easy, firm)
18
assured(clear, understanding, strong, easy)
17
dependable(good, clear, strong, sound)
17
fixed(change, clear, complete, firm)
17
irrefutable(certain, true, definite, sure)
17
reliable(clear, strong, sound, easy)
<1234510>
10 years ago|37k views|share |citing 
APASmart Define. (2016). certain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/certain/thesaurus/synonyms
ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms>