(idiomatic) To associate with another in a joint enterprise.

(idiomatic) Alternative form of up with the lark

(idiomatic) To dress or arrange smartly, elegantly, and neatly; to smarten. / (idiomatic) To refresh, revamp; to freshen or improve something, especially its appearance.

(idiomatic, transitive, figuratively) To uplift, hearten, inspire or raise the spirits of. / (idiomatic, transitive) To keep afloat; to provide with buoyancy.

(intransitive, idiomatic) To occur, especially suddenly or unexpectedly.

(baseball) A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery.

(physics) A quark having a fractional electric charge of +2/3 and a mass of about 1.5 to 4 MeV. / Symbol: u

Alternative form of wind-up

(literally, transitive) To wind completely (rope, string, mainsprings).

(Britain, informal) A party.