Definitions
1.verb(heading, physical) To move or be moved into something.
2.verb(heading, social) To diminish or be diminished.
3.verbTo conceal and appropriate.
4.verbTo keep out of sight; to suppress; to ignore.
5.verbTo pay absolutely."I have sunk thousands of pounds into this project."
6.verbTo reduce or extinguish by payment."to sink the national debt"
7.verbTo be overwhelmed or depressed; to fail in strength.
8.verbTo decrease in volume, as a river; to subside; to become diminished in volume or in apparent height.