Definition of "one-dimensional" []

• Having or existing in one dimension only. (adjective)
• Lacking depth; superficial. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "John Hughes cheats us, I realize now, because we never see Cameron’s cruel father, who is characterized as a one-dimensional bad guy."
• "But that only scratched the surface of someone I think of as the opposite of what Marcuse called one-dimensional man."
• "That’s called one-dimensional selection, but the rate is pretty slow: like three words a minute."