posthaste
61quick — Synonyms and related words: Daedalian, able, aboveground, abrupt, acquiescent, acute, adept, adroit, agile, agog, agreeable, alacritous, alert, alive, alive and kicking, all agog, amain, amenable, among the living, animate, animated, anxious,… …
62quickly — Synonyms and related words: PDQ, agilely, amain, animatedly, anxiously, apace, at flank speed, at once, at the double, avidly, breathlessly, briefly, by forced marches, cursorily, decisively, directly, double quick, eagerly, enthusiastically,… …
63rapidly — Synonyms and related words: always, amain, apace, at all times, at flank speed, at full speed, at once, briskly, ceaselessly, constantly, continually, daily, daily and hourly, day after day, day and night, double quick, ever, ever and anon, every …
64soon — Synonyms and related words: after a time, after a while, afterward, afterwards, anon, at bottom, at once, before long, betimes, by and by, by destiny, directly, ere long, eventually, expeditiously, fatally, forthwith, gladly, happily, hastily,… …
65speedily — Synonyms and related words: PDQ, against the clock, amain, apace, at flank speed, at once, by forced marches, cursorily, decisively, directly, double quick, expeditiously, fast, feverishly, flat out, forthwith, full tilt, furiously, hand over… …
66swiftly — Synonyms and related words: PDQ, abruptly, agilely, amain, apace, at flank speed, at once, briefly, briskly, by forced marches, cursorily, decisively, directly, double quick, expeditiously, fast, feverishly, flat out, fleetingly, flickeringly,… …
67fast — I (New American Roget s College Thesaurus) v. i. starve, diet, abstain. See asceticism. adj. swift, speedy, fleet, quick, rapid; secure, firm, permanent, steadfast, profound; wild, rakish, dissipated. See velocity, junction, impurity, tenacity,… …
68haste — I (New American Roget s College Thesaurus) Swiftness Nouns haste, urgency; dispatch; acceleration, spurt, forced march, rush, dash; velocity; precipitancy, precipitation, precipitousness; impatience, impetuosity; expedition, earliness; hurry,… …
69once — I (New American Roget s College Thesaurus) adv. formerly, previously, latterly. See time, past. conj. as soon as, whenever. See time. II (Roget s IV) modif. Syn. a few times, infrequently, not much; see seldom . modif. 1. [One time] Syn. this… …
70pronto — I (New American Roget s College Thesaurus) adv., informal, at once, immediately. See instantaneity. II (Roget s Thesaurus II) adverb Informal. In a rapid way: apace, fast, posthaste, quick, quickly. Informal: flat out, hell for leather, lickety… …