Definition: wear off or die down
Usage: The pain subsided
Similar words: weaken
Definition: become weaker
Usage: The prisoner's resistance weakened after seven days
Definition: descend into or as if into some soft substance or place
Usage: He sank into bed; She subsided into the chair
Similar words: go down, come down, fall, descend
Definition: move downward and lower, but not necessarily all the way
Usage: The temperature is going down; The barometer is falling; The curtain fell on the diva; Her hand went up and then fell again
Definition: sink down or precipitate
Usage: the mud subsides when the waters become calm
Similar words: sink, settle, go down, go under
Definition: go under, "The raft sank and its occupants drowned"
Synonyms: subside
Definition: sink to a lower level or form a depression
Usage: the valleys subside
Definition: appear to move downward
Usage: The sun dipped below the horizon; The setting sun sank below the tree line