Un·latch v. i. [imp. & p. p. Unlatched p. pr. & vb. n. Unlatching.]  To open or loose by lifting the latch; as, to unlatch a door.
  ◄ ►
  unlatched
       adj : not firmly fastened or secured; "an unbarred door"; "went
             through the unlatched gate into the street"; "an
             unlocked room" [syn: unbarred, unbolted, unlocked,
              unsecured]