Synonyms of expeditiously

1 Syllable
swift, soon, quick, fast
2 Syllables
promptly, flat-out, swiftly, rashly, soonest, quickly, sooner, hurried, chop-chop, fleetly, pronto
3 Syllables
studiously, busily, speedily, snappily, hurriedly, rapidly, headily, punctually, double-time, hastily
4 Syllables
diligently, unweariedly, summarily, lickety-split, unthinkingly, vigilantly
5 Syllables
animatedly, perseveringly, precipitously, arbitrarily, peremptorily, precipitantly, unpreparedly
6 Syllables
indefatigably, precipitately
7 Syllables
unpremeditatedly