Pronunciation: (u-foul'), [key]
1. in a state of collision or entanglement: a ship with its shrouds afoul.
2. run or come or fall afoul of,
a. to become entangled with: The boat ran afoul of the seaweed.
b. to come into conflict with: The business had fallen afoul of the new government regulations.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.