- Closeted and in the closet are metaphors used to describe a lesbian, gay, bisexual, or transgender (LGBT) person who has not disclosed his or her sexual orientation or gender identity and aspects thereof, including sexual identity and sexual behavior.
- (closetedness) The state or condition of being closeted; confinedness; The state or condition of being in the closet (not open about one's homosexuality)
- A person who does not share information about his or her lesbian, gay, bisexual, or transgender identity with others. LGBT people are more likely to be "closeted" when there is a risk of losing a job or facing discrimination or being rejected by family, friends, or religious community.
- Hiding one’s sexual orientation from others, in the workplace, at school, at home and with friends.