- The definition of cocky is someone who is overly self-confident.
Someone who is very arrogant and assumes they know all the answers is an example of cocky.
cocky definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
cocky definition by American Heritage Dictionary
adjective cock·i·er, cock·i·est
Overly self-assertive or self-confident.
- cockˈi·ly adverb
- cockˈi·ness noun