Synonyms of fleetly

1 Syllable
swift, soon, quick, fast
2 Syllables
promptly, flat-out, swiftly, soonest, quickly, sooner, hurried, chop-chop, pronto
3 Syllables
speedily, snappily, hurriedly, rapidly, punctually, double-time, hastily, posthaste
4 Syllables
lickety-split
5 Syllables
expeditiously