closeted

1. (informal) Not open about one's sexual orientation, romantic orientation, or gender identity.Examples: "Sally Gearhart, an ex-christian from Illinois who in the early seventies abandoned closeted lesbianism on Midwestern church college faculties for radical feminism in San Francisco,"; "1992, Tony Kushner, Angels in America: A Gay Fantasia on National Themes, New York: Theatre Communications Group, 1995, Part Two: Perestroika, Act One, Scene 4, p. 156, Belize: Get out your oven mitts. Guess who just checked in with the troubles? The Killer Queen Herself. New York's number one closeted queer."Synonyms: in the closetinformal

2. (by extension) Not open about some aspect of one's identity, tendency, or fondness; secret.Examples: "[…] the remaining quotations, chiefly from English poetry, interested me only slightly more. They were the elegiac favourites of a closeted Romantic."; "Now he feels a connection between his own closeted, esoteric sufferings and strivings and those of the poor urban working people all around him."; "Sokolsky asks if he realizes that this is a walk-in clinic for closeted reality benders, and he's a disaster-response coordinator, not a therapist."broadly