1. He is too bloody cocksure about everything.

2. He seemed rather too cocksure for my liking.

3. Don't be so cocksure that he will succeed.

4. He's so cocksure I'd love to see him proved wrong.

5. She sounds confident, but not cocksure.

6. Berton was a powerful personality, a cocksure businessman with a fast-talking line in hard sell.

7. Young people are unstable. They are cocksure.

8. He was an arrogant and cocksure materialist.

9. Don't be too cocksure and take things for granted.

10. He is cocksure that he would be a bill broker some day.

11. [ Little ] Where's the cocksure sky jock I had last week?

12. Normally they are a cynical , cocksure breed who thumb their noses at trouble.

13. Its antihero and narrator, Balram Halwai, is a cocksure, uneducated young man, the son of an impoverished rickshaw driver.

14. If you are so marvellous and cocksure of yourselves, how come you waver?

15. The fundamental cause of trouble in the world is that the stupid are cocksure while the intelligent are full of doubt. Bertrand Russell 

1. He is too bloody cocksure about everything.