a plain Jane

plain Jane

A female who is not considered physically attractive by societal standards. Betty always felt like she was a plain Jane, so she was very surprised when the most handsome boy in school asked her to be his prom date.See also: Jane, plain

a plain ˈJane

(disapproving) a girl or woman who is not very pretty or attractive: She was a shy girl, who always thought of herself as a plain Jane.See also: Jane, plain