simple past tense and past participle of act up

(Catholicism) Vaginal intercourse between a married couple.

plural of sexual act

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

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

plural of balancing act

(law) The doctrine, in European law, that cases involving a law with a reasonably obvious interpretation do not need to be referred to the European Court of Justice.

(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.

plural of Act of God

An impulsive act lacking motive.