adjective Informal 1. plain, drab, dull, etc. ⇒ plain-Jane looks 2. basic or simple; ordinary; unremarkable
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'plain Jane'< plain Jane