242 entries under definite topic. ×

6
doubtless(adjective, adverb, clear, sure)
6
sanguine(adjective, strong, easy, firm, solid)
6
self-confident(adjective, strong, easy, firm, solid)
6
solid(adjective, good, strong, sound, correct)
6
stable(adjective, good, strong, easy, firm)
5
certified(adjective, honest, true, straight)
5
defined(adjective, correct, exact, superior, unusual)
5
exact(adjective, clear, correct, honest, plain)
5
manifest(adjective, plain, absolute, obvious)
5
perfect(adjective, clear, complete, correct, total)
5
sealed(adjective, near, sure, doomed)
5
stated(adjective, clear, plain, determined, near)
5
unalterable(adjective, fixed, distinct, rigid)
5
unchanging(adjective, set, clear, firm, solid)
5
warranted(adjective, fixed, sure, valid)
4
convincing(adjective, clear, pure, original)
4
downright(adjective, clear, complete, flat, total)
4
hopeful(adjective, strong, easy, solid)
4
known(adjective, clear, understanding, keen, firm)
4
resolute(adjective, strong, easy, firm, solid)
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APASmart Define. (2016). certain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/certain/thesaurus/synonyms
ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms>