The word unfastened is the past form of unfasten in the first person singular. There are other translations for this conjugation.
See the full unfasten conjugation


A transitive verb is a verb that requires a direct object (e.g. I bought a book.).
transitive verb
1. (general)
a. desabrochar
Please, sir, don't unfasten your seat belt until the warning light turns off.Por favor, señor, no desabroche el cinturón de seguridad hasta que la luz de aviso se apague.
Unfasten your seat belt while the plane is refueling.Desabróchese el cinturón de seguridad mientras el avión está recargando combustible.
b. deshacer
I can't unfasten this knot; it's too tight.No puedo deshacer este nudo; está muy apretado.
c. desatar
The victim managed to unfasten herself and escape.La víctima logró desatarse y escapar.
d. abrir
Somebody unfastened the door and let us in.Alguien abrió la puerta y nos dejó entrar.
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A transitive verb is a verb that requires a direct object (e.g. I bought a book.).
transitive verb
1. (knot)
a. desatar, deshacer
2. (door)
a. abrir
to unfasten one's beltdesabrocharse el cinturón
Copyright © 2006 Harrap Publishers Limited
unfasten [ˈʌnˈfɑːsn]
transitive verb
[+button etc] desabrochar; [+rope etc] desatar; aflojar; (LAm) [+door] abrir;
Collins Complete Spanish Electronic Dictionary © HarperCollins Publishers 2011
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