From Longman Dictionary of Contemporary Englishcome out of the closetcome out of the closeta) ADMITto tell people that you are homosexual after hiding the fact SYN come out b) ADMITto admit something or to start to discuss something that was kept secret before → closet
Examples from the Corpus
come out of the closet• The trial brought the issue of sexual harassment out of the closet.• Once people decide to come out of the closet, it is pretty easy to do here.