— cocksurely , adv. — cocksureness , n.
/kok"shoor", -sherr"/ , adj.
1. perfectly sure or certain; completely confident in one's own mind: She was cocksure that she was able to do the job better than anyone else.
2. too certain; overconfident: He was so cocksure he would win the election that he didn't even bother to campaign.
3. Obs. perfectly secure or safe.
[ 1510-20; COCK 1 + SURE ]
Syn. 1. cocky, arrogant, conceited.