Source : Webster's Revised Unabridged Dictionary (1913)

Quickly \Quick"ly\, adv.
   Speedily; with haste or celerity; soon; without delay; quick.

Source : WordNet®

quickly
     adv 1: with rapid movements; "he works quickly" [syn: {rapidly}, {speedily},
             {chop-chop}, {apace}] [ant: {slowly}]
     2: with little or no delay; "the rescue squad arrived
        promptly"; "come here, quick!" [syn: {promptly}, {quick}]
     3: without taking pains; "he looked cursorily through the
        magazine" [syn: {cursorily}]