Synonyms: cave in, subsidence
Definition: the sudden collapse of something into a hollow beneath it
Similar words: collapse
Definition: a natural event caused by something suddenly falling down or caving in
Usage: the roof is in danger of collapse; the collapse of the old star under its own gravity
Synonyms: subsidence, subsiding, settling
Definition: a gradual sinking to a lower level
Similar words: sinking
Definition: a descent as through liquid (especially through water)
Usage: they still talk about the sinking of the Titanic
Synonyms: remission, remittal, subsidence
Definition: an abatement in intensity or degree (as in the manifestations of a disease)
Usage: his cancer is in remission
Similar words: reprieve, respite, hiatus, suspension, abatement
Definition: an interruption in the intensity or amount of something