Adjective: untwisted ,ún'twis-tid- Not twisted; formerly twisted but now straight
"When a pair of wires is untwisted, even slightly, it can cause a greater disruption to the signal"
Verb: untwist ,ún'twist- Remove twists or unscrew; straighten
"He untwisted the tangled wires"
See also: straight
Type of: straighten, straighten out
Antonym: distort