Definition of "unround" []

• To pronounce (a sound) with the lips in a flattened or neutral position. (verb-transitive)

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.

• "I was envisioning lopsided, totally unround Oreos ... so I decided it would be better to roll it out like sugar cookies and cut them with small round cutters."
• "Anyway, I currently have 39 people on my list which is just a horrible, unround, messy number."
• "Let us examine just what the effect will be if an imperfect pivot is fitted into an unround hole jewel, and to demonstrate its action more clearly let us exaggerate the defects."