1. of or having two dimensions, as height and width
2. lacking substance or depth; limited in scope, range, etc.
⇒ a two-dimensional film character
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.