The Oxford Thesaurus An A-Z Dictionary of Synonyms - quickly adv.

1) rapidly, swiftly, speedily, fast: Although share prices dropped in the morning, they recovered quickly during afternoon trading. 2) rapidly, swiftly, speedily, fast, with dispatch or despatch, apace, post-haste, at or on the double, with all speed, quick, Colloq US and Canadian lickety-split: Run quickly, and you'll get there before the shop closes. 3) instantly, promptly, hastily, at once, immediately, straight away, right away, shortly, without delay, (very) soon, hurriedly, quick, Colloq pronto: You'll have to leave quickly to catch your train.