transitive + intransitive
1 : to identify (someone) publicly as being such secretly
Ever feel as if your achievements are a fluke or that you're one conversation away from being outed as a fraud?— Gillian Fox Foster … was the man who outed the journalist Joe Klein as the author of the novel "Primary Colors."— Walter Kirn especially : to reveal the covert sexual orientation or gender identity of (someone) outed her to her coworkers In our case, a cross-section of writers and editors—male and female, gay and straight—agreed that it would be inappropriate to "out" this Pentagon official. — Richard Goldstein
2 : to become publicly known
the truth will out Murder will out.
3 : to put out : to eject (someone) from a place, office, or possession : expel During the suppression, we privately kept outed vicars as chaplains and attended secret Anglican services …— Rose Macaulay