(idiomatic) To start; to cause, especially used for unstable situations that may magnify if disturbed.

(intransitive) To separate off from the main body, to move off to one side; as in troop movements on a parade ground or an organized retreat, or columns in a procession.

(literally) To move backwards away from something. / (idiomatic) To become less aggressive, particularly when one had appeared committed to act. / (idiomatic) To lower the setting of.

(idiomatic, intransitive) To leave; to begin a journey or trip. / (idiomatic, transitive) To begin; to cause; to initiate. / (idiomatic, transitive) To cause to explode, let off.

(transitive) To recall; to cancel or call a halt to. / (intransitive) To telephone in one's notice of a day's absence from work.

(idiomatic, colloquial, dismissal) go away.

To leave with a buzzing sound. / (figuratively) To leave (especially busily), take off, go away.

(idiomatic) A period of time where one is not required to work.

(transitive, intransitive) To stay or cause to stay at a distance (from).

(soccer, American football) The opening kick of each half of a game of football. / (by extension) The opening sequence of any event.