0
guaranteed(certain, sure)
0
gung ho(expression, certain, sure, guaranteed)
0
gutsy(certain, sure, guaranteed)
0
hard(clear, certain, sure)
0
haughtiest
0
having faith in(expression, idiom, certain, sure, assured)
0
high and mighty
0
hopeful(certain, sure, self-assured, assured, self-confident)
0
ill-mannered
0
imperatively
0
imperturbable(certain, sure, guaranteed)
0
implicit
0
impolite
0
in the bag(expression, idiom, certain, sure, guaranteed)
0
inarguable(clear, certain, sure)
0
incontestable(clear, certain, sure)
0
indisputable(clear, certain, sure)
0
indubitable(clear, certain, sure, guaranteed)
0
infallible
0
instructional
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APASmart Define. (2016). cocksure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cocksure/thesaurus/synonyms
ChicagoSmart Define. 2016. "cocksure thesaurus" https://smartdefine.org/cocksure/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, cocksure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cocksure/thesaurus/synonyms>.
MLASmart Define. "cocksure thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/cocksure/thesaurus/synonyms>