adjective
1.
marked by a strong, fearless, and bold belief in oneself and one's capacities
faced his accusers with a confident air
Synonyms: assured, sanguine, secure, self-assured, self-confident, undoubtful
Related Word: certain, cocksure, cocky, perky, positive, sure; self-possessed, self-reliant; bold, brave, courageous, dauntless, fearless, intrepid, unafraid, undaunted, valiant
Contrasted words: jittery, nervous, uneasy; afraid, daunted, fearful; doubtful, dubious
Antonyms: apprehensive
2.
Synonyms: sure 5, certain, cocksure, positive
3.
Synonyms: presumptuous , brash, brassbound, overconfident, overweening, presuming, pushful, ||pushy, self-assertive, uppity