Puzzle #54

3. A situation in which people lie in wait to make a surprise attack.
4. On or into a ship, aircraft, train, or other vehicles.
6. A sound, especially one that is loud or unpleasant or that causes disturbance.
7. Morose, bad-tempered, and resentful; refusing to be cooperative or cheerful.
9. A small patch of something.
11. An anxious awareness of danger.

1. Far down or in.
2. Act dishonestly or unfairly in order to gain an advantage.
3. An inclination towards a particular characteristic or type of behavior.
5. The branch of mathematics deals with the properties and manipulation of numbers.
8. The belief in or pursuit of a state in which everything is perfect is typically regarded as unrealistic or idealistic.
10. Have formal dealings or discussions; negotiate.