(idiomatic) To persist or continue far beyond any purpose, interest or reason.

(informal) A practically guaranteed outcome.

(Britain, idiomatic) To attempt to get more out of something that cannot give more; to attempt to arouse fresh interest in something that is either hopeless or already settled.

In a college or university, the week immediately preceding finals week.

(pathology, US) The unexplained death of a baby usually while sleeping.

(pathology, Britain) The unexplained death of a baby, usually while sleeping.

A time limit in the form of a date on or before which something must be completed. / (archaic) A guideline marked on a plate for a printing press. / (archaic) A line that does not move.

(military) To render an item non-mission-capable; to ground an aircraft, etc.

an extremely dangerous location, structure or device / a plot device where a villain in a story puts a hero in an elaborate dangerous situation for the purposes of attempting a sadistic murder

A strike or blow that leads to death, especially a coup de grace. / Something that prevents the completion, or ends the existence, of a project etc.; a fatal setback.