fast, adv. swiftly, [rapidly], quickly, with celerity, post-haste, speedily, expeditiously; fixedly, firmly, immovably.
fast and loose. [inconstant].
fasten, v. [secure], [fix], barricade, [lock], [bind], [tie], [attach], tether, rivet, moor, [cement], [affix], annex, clinch, clamp, append.
fastidious, a. [critical], squeamish, punctilious. Antonyms: [careless], indiscriminate, [slovenly].
fastness, n. fixedness, immovability, firmness, [security], impregnability; [fortress], [stronghold], citadel; [swiftness], celerity, [rapidity], expedition, [quickness], [haste].
fat, a. [fleshy], [plump], corpulent, obese, [portly], pursy, burly, chubby, pampered, [gross], [squab], [stout], pudgy; adipose; [fertile], productive; [lucrative], [remunerative], [profitable].
fatal, a. mortal, [deadly].
fatality, n. fatalness, [fate], [destiny]; mortality; [disaster], [calamity].
fate, n. [destiny], [lot], [doom]; [chance], fortune; Moira; karma; kismet; [predestination].
fated, a. destined, doomed, predestined, foredoomed.