Verb (used with object), : to unknot a tie.    From Dictionary.com. 

For a moment, he tried to unknot the ship's words.    From Wordnik.com.  [Ship Of Destiny]

She felt her pulse slow, and her mind unknot itself.    From Wordnik.com.  [Calling A Dead Man]

This was something she'd have to unknot for herself.    From Wordnik.com.  [The Mad Ship]

He could unknot it, of course, but he didn't want to.    From Wordnik.com.  [Widows and Orphans] Reference

He would unknot the tangled threads at whatever cost to himself.    From Wordnik.com.  [Swirling Waters] Reference

How easy do you think it would be to untangle and unknot your piece of yarn?.    From Wordnik.com.  [Nurturing Spirituality in Children] Reference

With trembling fingers, he tried to unknot the damnable thing from his wrist.    From Wordnik.com.  [Ship Of Destiny]

He found that the ferocity of the waterfall had unknot-ted his loincloth, pushing it down his legs.    From Wordnik.com.  [Black Blade]

Trouble is every so often you have to stop and unknot, it doesn't allow for smooth flow of knitting.    From Wordnik.com.  [Archive 2006-01-01] Reference

He closed his eyes and relaxed; muscles began to unknot that must have been tensed up for the past year.    From Wordnik.com.  [Magic's Promise]

He forced his hands to unknot and rest on his knees, giving an appearance of calm he was nowhere near feeling.    From Wordnik.com.  [A Crown of Swords]

I turned and strode to the pool's edge, stared into its depths, felt the muscles in my shoulders slowly unknot.    From Wordnik.com.  [Prince of Chaos]

The plot is more tangled than six Chandler novels put together, yet Morgan manages to unknot it all at the end.    From Wordnik.com.  [Asimov's Science Fiction]

I raised my hands in dismay, feeling at the gnarled locks, trying inef­fectually to unknot them with my fingers.    From Wordnik.com.  [Kushiel's Avatar]

Straighten them out, unknot them, and your life energy whether viewed as literal or figurative flows more easily.    From Wordnik.com.  [Three Christmases] Reference

The string was knotted around his head and he didn't dare let loose of the battle-ax he was holding to unknot the string.    From Wordnik.com.  [The Hand of Chaos]

Louis Cardinals in which Sanders launched a 457-foot missile to left to unknot a scoreless tie in the fourth inning of a 2-1 victory.    From Wordnik.com.  [USATODAY.com - D'backs' Sanders happy in new home] Reference

The string was tied so tightly that I could not unknot it.    From Wordnik.com.  [The Lost Valley] Reference

But her fingers trembled, and she couldn't unknot the cord.    From Wordnik.com.  [Patty's Success] Reference

Then he began to unknot the silk which was bound about his box.    From Wordnik.com.  [The Brethren] Reference

"We could not unknot the knots," added Tom, who was bound to have his joke.    From Wordnik.com.  [The Rover Boys on Treasure Isle or The Strange Cruise of the Steam Yacht.] Reference

Then, one day, I thought to unknot the rope, and I undid, and undid, and undid.    From Wordnik.com.  [A Dozen Ways Of Love] Reference

Fullarton said and, running to the bed, began to unknot the cord that bound the admiral.    From Wordnik.com.  [Held Fast For England A Tale of the Siege of Gibraltar (1779-83)] Reference

But our Malakai's close to tears as I unknot him from a snarl of arms and legs and feet.    From Wordnik.com.  [Holy Experience] Reference

Last week, I stood staring at the minutely precise spirals that knot and unknot on her head.    From Wordnik.com.  [Culture | guardian.co.uk] Reference

"Kirsten gave his tie a little admonitory tug as she began to unknot it.    From Wordnik.com.  [The Sheikh's Innocent Bride]

(Barganzo fils's) to unknot them; a snarl-up could take hours to unravel.    From Wordnik.com.  [Pioneers of Alienation and 50s Sci-Fi at Thing Street Asylum] Reference

Could I possibly get you to use those talented hands of yours to unknot my shoulders? ".    From Wordnik.com.  [Magic's Price]

Karen felt her stomach unknot.    From Wordnik.com.  [Date With Death]

Key's gut muscles began to unknot.    From Wordnik.com.  [Where There's Smoke]

Eleanor felt her shoulders unknot.    From Wordnik.com.  [Phoenix And Ashes]

Chaheel Riens tried to unknot his thoughts.    From Wordnik.com.  [The Man Who Used the Universe]

He stood up, letting his muscles unknot slowly.    From Wordnik.com.  [Lord of the Isles] Reference

Ever one clear thread to unknot.    From Wordnik.com.  [The Agamemnon of Aeschylus Translated into English Rhyming Verse with Explanatory Notes] Reference

" Tentacles began to unknot.    From Wordnik.com.  [Lost And Found]