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definitions

plain-Jane

or plain-jane

[pleyn-jeyn]
adjective Informal.
  1. simple and modest; unadorned; basic: a plain-Jane car dressed up with leather upholstery.

Origin of plain-Jane

First recorded in 1935–40

plain Jane

noun Informal.
  1. a drab, unattractive, and generally uninteresting girl or woman.

Origin of plain Jane

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Contemporary Examples of plain-jane

Word Origin and History for plain-jane

plain Jane

"unattractive woman," first attested 1912.

Online Etymology Dictionary, © 2010 Douglas Harper