Synonyms of swiftly

1 Syllable
swift, quick
2 Syllables
promptly, flat-out, quickly, hotfoot, speeder, fleetly
3 Syllables
double-quick, speedily, snappily, hurriedly, rapidly, asudden, apace, punctually, suddenly, hastily, posthaste
4 Syllables
summarily, lickety-split
5 Syllables
arbitrarily, peremptorily, expeditiously
6 Syllables
precipitately
7 Syllables
unpremeditatedly