fall or descend to a lower place or level
pass into a specified state or condition
cause to sink
plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe
go under, "The raft sank and its occupants drowned"
descend into or as if into some soft substance or place
fall heavily or suddenly; decline markedly
appear to move downward
embed deeply
fall or sink heavily
