WordReference Random House Unabridged Dictionary of American English © 2026
plain′ Jane′, [Informal.]
plain-Jane (plān′jān′),USA pronunciation adj. [Informal.]
- Informal Termsa drab, unattractive, and generally uninteresting girl or woman.
- 1910–15
plain-Jane (plān′jān′),USA pronunciation adj. [Informal.]
- Informal Termssimple and modest;
unadorned;
basic:a plain-Jane car dressed up with leather upholstery.
- 1935–40