(idiomatic, of rules, etc) strictly maintained

Food that is served quickly, often standardized and pre-prepared. / A type of food that is quickly made, but of low nutritional value; junk food.

(cricket) A bowler who specialises in bowling the ball fast in cricket; as opposed to a spin bowler.

(histology, of bacteria) Retaining stain when treated with an acidic solution.

(idiomatic) Sleeping, in a deep sleep.

(rail transport) A racetrack with optimum conditions for high speeds / (rail transport) A railroad for express trains. / The quickest or most direct method or path.

To progress something with unusual rapidity.

Alternative spelling of fast track

Alternative spelling of fast track

Companions of either gender who do morally questionable things.