unfasten

• Verbe utilisé pour désigner l'action d'ouvrir, de libérer ou de séparer quelque chose qui était attaché, fixé ou fermé, comme une ceinture, un bouton, une boucle ou un nœud.

A verb used to indicate the act of opening, releasing, or detaching something that was fastened or secured.

1. Cause to become undoneB1formal

   To open or release something that is fastened, such as a button, buckle, or lock.

   défaire

   • She unfastened her seatbelt after the plane landed.
   • He unfastened the clasp on his necklace.
   • Please unfasten the lock before opening the gate.

   Synonymesloosenreleaseunbuckleunbuttonunclaspundounhookunlaceunlockuntieunzip

   Antonymesattachbindbucklebuttonclaspclosefastenlocksecuretie

2. Become undone or untiedB1formal

   To become loose or detached, often referring to something that was previously secured.

   se défaire, se détacher

   • The knot unfastened as the rope was pulled.
   • Her shoelaces unfastened while she was running.
   • The latch unfastened due to the strong wind.

   Synonymesdetachloosenslacken

   Antonymesattachbindfastensecuretie