Meaning of unstick

un•stick

Pronunciation: (un-stik'), [key]
— v., -stuck, -stick•ing.
—v.t.
  1. to free, as one thing stuck to another.
—v.i.
  1. to become unstuck: Finally, the car's horn unstuck.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.