unlatched adj 1: not firmly fastened or secured; "an unbarred door"; "went through the unlatched gate into the street"; "an unlocked room" [syn: {unbarred}, {unbolted}, {unlatched}, {unlocked}, {unsecured}]
Unlatch \Un*latch"\, v. i. [imp. & p. p. {Unlatched}; p. pr. & vb. n. {Unlatching}.] [1st un- + latch.] To open or loose by lifting the latch; as, to unlatch a door. [1913 Webster]