# cocksure

> English word · Adjective · frequency rank #95,839

## Definitions
1. Too confident; overconfident.

## Etymology
Probably from cock + sure, early 16th c.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cocksure