adj. 25B6; adjective ARROGANT, conceited, overweening, overconfident, cocksure, swollen-headed, self-important, egotistical, presumptuous, boastful, self-assertive; bold, forward, insolent, cheeky.
modest.
COCKY
Meaning of COCKY in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012