Definition of blue-haired
: having blue hair : having white or gray hair that has been tinted blue with a rinse
—used especially as a stereotypical description of an elderly woman
- … too many blue-haired mothers in the heartland didn't like hearing that their gay son or daughter was worthless and immoral.
- —Time, 31 Jan. 2000
- Jesse is a bichon frisé, the kind of dog that blue-haired women leave their fortunes to.
- —Jonathan Darman, Newsweek, 27 Apr. 2009
