cockiness

/ˈkɑkinəs/
noun
  1. An attitude of being too confident or sure of oneself; arrogance.
    • His cockiness annoyed his teammates before the big game.
    • The coach warned the player that cockiness could lead to mistakes.
    • She had a natural cockiness that helped her on stage but hurt her friendships.
Antonyms
What does "cockiness" mean? | whatsthatwordmean | whatsthatwordmean