Unfasten is a 8 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 14 points.
You can make 219 anagrams from letters in unfasten (aefnnstu).
First recorded in 1175-1225, unfasten is from the Middle English word unfastnen. See un-2, fasten
Without a word, he began to unfasten it, with hands which trembled.
He was irritated to find that he could not unfasten the knot in which he had tied his reins.
I'll sit on his head, son, while you see how many pieces you can unfasten in his harness.
Then with her slender fingers she tried to unfasten the knots that secured the cord.
They also began to strip off their shirts and unfasten their vests.
He carries his purse-strings in a knot which it would break his heart to unfasten.
Jeter frantically tried to unfasten the handcuffs as they ran.
She took her hand from Frederick's to unfasten the door and light the candle.
They immediately began to unfasten the straps that held their packs in place.
I'll unfasten it for you just as soon as you are ready to start.