- a person's purported intuitive or sensing ability to identify homosexuals.
Origin of gaydar
1980–85; gay + (ra)dar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- informal the supposed ability of a homosexual person to recognize whether another person is homosexual
C20 from gay + (ra) dar
Word Origin and History for gaydar
Online Etymology Dictionary, © 2010 Douglas Harper