(v. t.) To loose from a hook; to undo or open by loosening or unfastening the hooks of; as, to unhook a fish; to unhook a dress.

abrupt abstract alienate break off cast off cast out cut adrift cut apart cut off cut out delete depart detach disarticulate disengage disjoin disjoint dissociate disunite divide divorce eject estrange expel isolate leave part pull apart pull away pull back pull out segregate separate sequester set apart set aside sever shut off split stand aloof stand apart stand aside step aside subtract throw off throw out uncouple undo unhook unyoke withdraw