86 entries under expected topic. ×

83
sure(adjective, good, set, clear, understanding)
19
determined(adjective, good, strong, easy, firm)
18
assured(adjective, clear, understanding, strong, easy)
17
fixed(adjective, change, clear, complete, firm)
16
decided(adjective, clear, firm, solid, perfect)
13
inescapable(adjective, near, regular, obvious)
13
predestined(adjective, close, firm, near, sure)
13
settled(adjective, strong, easy, firm, solid)
10
fated(adjective, determined, restrained, definite, distinct)
7
ineluctable(adjective, near, obvious, predictable)
7
irrevocable(adjective, definite, fixed, sure)
7
necessary(adjective, regular, definite, obvious)
6
marked(adjective, close, superior, unusual, exceptional)
5
inexorable(adjective, near, obvious, predictable)
5
predictable(adjective, good, strong, honest, solid)
4
fateful(key, predictable, conclusive, unavoidable)
4
ineludible(obvious, predictable, unavoidable, inevitable)
4
likely(adjective, imminent, forthcoming, looming)
4
probable(adjective, reasonable, sensible, natural)
4
sure-fire(adjective, informal, definite, sure)
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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>