unlatch

from The Collaborative International Dictionary of English v.0.48
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]
from Moby Thesaurus II by Grady Ward, 1.0
72 Moby Thesaurus words for "unlatch":
      bare, cast off, clear, deobstruct, detach, disclose, disengage,
      doff, expose, free, liberate, loose, loosen, manifest, patefy,
      release, remove, reveal, take off, unbar, unbind, unblock, unbolt,
      unbridle, unbuckle, unbutton, uncage, uncase, unchain, unclasp,
      unclench, unclog, unclutch, uncork, uncover, uncurtain, undo,
      undrape, unfasten, unfetter, unfold, unfoul, ungag, unglue,
      unhandcuff, unhobble, unlace, unlash, unleash, unlock, unloose,
      unloosen, unmanacle, unmuzzle, unpen, unpinion, unplug, unroll,
      unseal, unshackle, unsheathe, unshut, unstick, unstop, unstrap,
      untether, untie, untruss, unveil, unwrap, unyoke, weigh anchor
antiflux / dictionary / unlatch
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