un·wind / ˌənˈwīnd/ • v. (past and past part. -wound / -ˈwound/ ) undo or be undone after winding or being wound: [tr.] Ella unwound the long woolen scarf from her neck | [intr.] the net unwinds from the reel. ∎ [intr.] relax after a period of work or tension: the Grand Hotel is a superb place to unwind.