legit Syllabification: (le·git)Pronunciation: /liˈjit/Definition of legit adjective informal legal; conforming to the rules:is this car legit? (of a person) not engaging in illegal activity or attempting to deceive; honest:to see if he’s legit, I call up the businessPhrases go legit begin to behave honestly after a period of illegal activity. Origin: early 20th century: abbreviation of legitimatelegit in other Oxford dictionaries Definition of legit in the British & World English dictionary