Source : WordNet®

unbarred
     adj : not firmly fastened or secured; "an unbarred door"; "went
           through the unlatched gate into the street"; "an
           unlocked room" [syn: {unbolted}, {unlatched}, {unlocked},
            {unsecured}]

unbar
     v : remove a bar from (a door, for example) [ant: {bar}]
     [also: {unbarring}, {unbarred}]

unbarred
     See {unbar}