- The definition of legit is slang for legitimate and refers to something that is legal, proper and/or done in conformance with the rules.
An example of something that would be described as legit is a job where you earn money without breaking the law.
legit 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.
legit definition by American Heritage Dictionary