pseudonymity
/ˌsuːdəˈnɪməti/
noun
- The state or practice of using a false name, especially by an author or online user, to hide one's real identity.
- Online forums often encourage pseudonymity to protect users' privacy.
- The author's pseudonymity allowed her to write freely without fear of criticism.
- The historian studied the pseudonymity of political pamphlets from the 18th century.