To loosen or separate (something twisted) by turning in the opposite direction; unwind.(verb-transitive)
To become untwisted.(verb-intransitive)
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.
Use "untwist" in a sentence
"(Apparently Komeito foresees that an election will "untwist" the Diet."
"Could my HD blinds be defective? untwist the cords and let the shade all the way down. holding both cords together pull it up and down to desired length. pull both cords either to the right or left to lock in place."
"A little more expensive but less likely to untwist/unravel."