(idiomatic, US, chiefly colloquial) Authorization that is extremely difficult to get, especially in a timely fashion. / (literally, US politics) A statute enacted by the United States Congress.

(entertainment) A performance that involves balancing things precariously and suspensefully. / (figuratively, idiomatic) An effort to manage many conflicting or competing items or interests.

(Catholicism) Vaginal intercourse between a married couple.

(linguistics) An act carried out by speech, such as promising, ordering, greeting, warning, inviting and congratulating.

A comic pairing in which humor is derived from the uneven relationship between two partners, usually of the same gender, age, ethnic origin and profession, but often with drastically different personalities or behavior, maybe with a stooge or straight man.

(law, usually "an") Alternative spelling of act of God

(informal) To become involved in something.

Something a person devotes their later life to, after retiring or quitting a former occupation.

To take action on the basis of information received or deduced.

(intransitive, idiomatic) To misbehave; to cause trouble. / (intransitive, idiomatic) To perform the duties of an appointment senior to that actually held; to deputise for a superior.