242 entries under definite topic. ×

9
clear-cut(adjective, clear, plain, solid, exact)
9
constant(adjective, good, strong, complete, firm)
9
guaranteed(adjective, fixed, sure, positive)
9
sound(noun, adjective, clear, strong, easy)
9
steady(adjective, good, strong, complete, easy)
8
bound(adjective, fixed, unquestionable, guaranteed)
8
definitive(adjective, clear, correct, plain, exact)
8
flat(adjective, change, total, energetic)
8
predetermined(adjective, determined, near, usual, regular)
8
unqualified(adjective, clear, complete, flat, firm)
7
determinate(adjective, firm, total, superior, unusual)
7
emphatic(adjective, flat, firm, distinct)
7
especial(adjective, exact, superior, unusual, exceptional)
7
irrevocable(adjective, fixed, sure, expected)
7
necessary(adjective, regular, obvious, expected)
7
patent(adjective, clear, plain, obvious)
7
steadfast(adjective, good, strong, complete, easy)
7
unconditional(adjective, complete, total, exact)
6
accurate(adjective, set, clear, complete, correct)
6
confirmed(adjective, solid, determined, usual, regular)
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APASmart Define. (2016). certain thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/certain/thesaurus/synonyms
ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms>