dead name
1. verb To refer to a transgender person by the name and/or pronouns they used before transitioning to the gender they currently identify as. Please stop dead naming Caitlyn Jenner as "Bruce."
2. noun The name and pronouns a transgender person used before transitioning to the gender they currently identify as.; a transgender person's birth name. "Bruce" is Caitlyn Jenner's dead name.
dead naming
The act of referring to a transgender person by the name and/or pronouns they used before transitioning to the gender they currently identify as. Dead naming is just a way to show contempt for transgender people.