Topics: Stories from Slate - Slate Magazine
Closeted and in the closet are adjectives for lesbian , gay , bisexual , transgender etc. ( LGBT ) people who have not disclosed their sexual orientation or gender identity and aspects thereof, including sexual identity and sexual behavior. It can also be used to describe anyone who is hiding part of their identity because of social pressure.
In the early stages of the lesbian, gay or bisexual identity development process, people often feel confused and experience turmoil. In 1993, Michelangelo Signorile wrote Queer in America , in which he explored the harm caused both to a closeted person and to society in general by being closeted. 
Seidman, Meeks, and Traschen (1999) argue that "the closet" may be becoming an antiquated metaphor in the lives of modern-day Americans for two reasons.