What is plain jane meaning?

The term "Plain Jane" is a colloquial idiom used to describe a woman who is perceived to be ordinary or unremarkable in appearance, personality, or behavior. It is often used to describe a woman who lacks distinctive or attractive qualities, or who is not particularly fashionable or glamorous. The term can be used in a derogatory sense, implying that the woman is bland or unappealing, but it can also be used in a more neutral or descriptive way. The origins of the term are unclear, but it is believed to have originated in the United States in the early 20th century.