untwist definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
transitive verb, intransitive verb
to turn in the opposite direction so as to loosen or separate; untwine
untwist definition by American Heritage Dictionary
verb un·twist·ed, un·twist·ing, un·twists verb, transitive
To loosen or separate (something twisted) by turning in the opposite direction; unwind.verb, intransitive
To become untwisted.