75 entries under confident topic. ×

4
hopeful(adjective, strong, easy, solid, definite)
4
known(adjective, clear, understanding, keen, firm)
4
resolute(adjective, strong, easy, firm, solid)
3
unconcerned
3
undoubtful(adjective, strong, easy, firm, solid)
2
bold(adjective, solid, sure, self-assured)
2
easy(adjective, strong, definite, self-assured)
2
in the bag(expression, adjective, idiom, strong, easy)
2
questionless
2
undisturbed
2
unperturbed
2
untroubled
2
well-founded(adjective, strong, reasonable, easy, sensible)
1
able(adjective, strong, easy, solid, definite)
1
at ease(expression, adjective, strong, easy, definite)
1
balanced(adjective, strong, easy, firm, solid)
1
cool(adjective, firm, solid, extraordinary, unusual)
1
forthright(adjective, prompt, definite, absolute, unqualified)
1
locked on(expression, adjective, strong, easy, solid)
1
nailed down(expression, adjective, strong, easy, solid)
10 years ago|37k views|share |citing 
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>