Synonyms of pdq

1 Syllable
brisk, hot, snap, swift, fleet, quick, fast, now, flying
2 Syllables
ready, fasted, promptly, breakneck, presto, flashing, hastiest, snappy, racing, faster, fastest, hastier, fleeting, hasty, dashing, rapid, speedball, hurried, chop-chop, nimble, pronto, winged
3 Syllables
active, electric, instanter, instantly, agile, punctually, posthaste, double-time, hairtrigger, screamin', velocious
4 Syllables
supersonic, hypersonic, expeditious
5 Syllables
immediately, accelerated, expeditive