- 1legitimize something to make something that is wrong or unfair seem acceptable The movie has been criticized for apparently legitimizing violence.
- 2legitimize something to make something legal synonym legalize
- 3legitimize somebody to give a child whose parents are not married to each other the same rights as those whose parents are
NAmE//lɪˈdʒɪt̮əˌmaɪz//(formal)Verb Forms present simple I / you / we / they legitimize
he / she / it legitimizes
past simple legitimized
-ing form legitimizing