illegitimate definition
Definition of 'illegitimate'. illegitimate (ÉªlÉªdÊÉªtÉªmÉt ) A person who is illegitimate was born of parents who were not married to each other. Illegitimate is used to describe activities and institutions that are not in accordance with the law or with accepted standards of what is right. The election was dismissed as illegitimate by the opposition. They represented a ruthless and illegitimate regime that could not remain forever.