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WORDNET DICTIONARY
THESAURUS

WORDNET DICTIONARY

Adverbial expeditiously has 1 sense

• expeditiously(r = adv.all) efficiently - with efficiency; in an efficient manner; "he functions efficiently"

THESAURUS

expeditiously

PDQ, agilely, amain, apace, at flank speed, at once, by forced marches, cursorily, decisively, directly, double-quick, effectively, fast, feverishly, flat-out, forthwith, furiously, hand over fist, hand over hand, hastily, hell for leather, hell-bent, hell-bent for election, helter-skelter, hotfoot, hurriedly, hurry-scurry, immediately, in double time, in double-quick time, in high, in high gear, in no time, in passing, in seven-league boots, instanter, instantly, lickety-cut, lickety-split, nimbly, on the double, on the instant, on the run, on the spot, pell-mell, post, posthaste, pretty damned quick, promptly, pronto, punctually, quick, quickly, rapidly, readily, right away, right off, slapdash, smartly, snappily, speedily, spryly, straightaway, straightway, subito, summarily, superficially, swiftly, trippingly, under forced draft, whip and spur, with a rush, with all haste, with all speed, with dispatch, with giant strides, with haste, with rapid strides, with speed, without delay, without further delay

For further exploring for "expeditiously" in Webster Dictionary Online