(colloquial, idiomatic, dated) To dress up; to make a show of wealth and/or importance; to be pretentious.

(mathematics) Of, relating to or using set theory.

(idiomatic) Of a candidate: potential or likely; worthy of consideration. / (idiomatic) Of a competitor or contestant: still eligible and able to win.

(idiomatic) From the very beginning; from the outset; immediately upon starting.

(chemistry) An obsolete scientific theory of combustion.

Running away, usually from the police; on the run.

(idiomatic) Very loudly; as loudly as (vocally) possible.

(vulgar, uncommon, Canada) To avoid work; to make it appear as if one is working. / (vulgar, uncommon) To make a horrible or catastrophic mistake; to screw the pooch.

(mathematics) Relating to or using graph theory.

(uncountable, mathematics) The branch of mathematics dealing with the properties of graphs (networks of vertices and edges).