23
confident(adjective, clear, belief, certain, sure)
16
cocky(adjective, person, confident, selfish)
13
overconfident(adjective, certain, sure, confident, arrogant)
13
arrogant(adjective, person, confident, selfish)
13
positive(adjective, belief, certain, definite, sure)
11
proud(adjective, person, selfish)
11
self-confident(certain, sure, positive, aggressive, confident)
10
convinced(clear, belief, certain, sure, positive)
8
assured(clear, belief, certain, sure, positive)
8
brash(adjective, impulsive, confident, brazen)
8
certain(adjective, clear, belief, sure, confident)
8
conceited(adjective, person, confident, selfish)
8
sure(adjective, clear, belief, certain, positive)
6
unhesitating(firm, belief, certain, resolute, sure)
6
vain(adjective, person, confident, selfish)
5
bold(adjective, certain, sure, aggressive, confident)
5
dogmatic(adjective, assured, opinionated, dictatorial)
5
impudent
5
obstinate(adjective, assured)
5
overbearing(adjective, assured)
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APASmart Define. (2016). cocksure thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/cocksure/thesaurus/synonyms
ChicagoSmart Define. 2016. "cocksure thesaurus" https://smartdefine.org/cocksure/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, cocksure thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/cocksure/thesaurus/synonyms>.
MLASmart Define. "cocksure thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/cocksure/thesaurus/synonyms>