Meaning of cocksure
Pronunciation: (kok'shoor', -shûr'), [key]
- 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.
- too certain; overconfident: He was so cocksure he would win the election that he didn't even bother to campaign.
- perfectly secure or safe.
- cocksure (Thesaurus)