Definition of "legit"

(theater, slang) A legitimate; a legitimate actor.

(slang) A legitimate child.

(informal) Legitimate; legal; allowed by the rules; valid.

1. (video games) Not using cheats.  examples

(by extension, of a thing or person) Genuine, actual, literal or honest.  examples

(slang) Genuinely good and possessing all the required or expected qualities; the real deal.

(slang) Cool by virtue of being genuine.

(informal) Legitimately; within the law.  examples

(slang) Honestly; truly; seriously.