Synonyms for Fleetly:

• a. & adv.

  •posthaste (adjective, adverb)
  • most directly.

• adv.

  •all (adverb)
  • fleetly.
  •fast (adverb)
  • in haste,
  • like a shot,
  • flat-out,
  • like a flash,
  • in nothing flat,
  • in a flash,
  • hastily,
  • presto,
  • hurriedly,
  • expeditiously,
  • like wildfire,
  • chop-chop,
  • like greased lightning,
  • Posthaste,
  • in short order,
  • apace,
  • full tilt,
  • pronto.
  •hastily (adverb)
  • abruptly,
  • briskly,
  • Rushingly,
  • breathlessly,
  • impatiently,
  • urgently,
  • dashingly,
  • feverishly.
  •on the double (adverb)
  • chop chop,
  • lickety-split.
  •posthaste (adverb)
  • breakneck,
  • pell-mell,
  • straightaway,
  • headlong,
  • directly.
  •promptly (adverb)
  • on time,
  • instantly,
  • now,
  • PDQ,
  • sharp,
  • right away.
  •quickly (adverb)
  • immediately,
  • instantaneously.
  •soon (adverb)
  • short,
  • by and by,
  • in a short time,
  • coming down the pike,
  • in time,
  • presently,
  • betimes,
  • in a little while,
  • any minute now,
  • before long,
  • early,
  • ere long,
  • in a minute,
  • in a second,
  • in due time,
  • ANON,
  • forthwith,
  • soonest,
  • shortly.
  •swiftly (adverb)
  • hotfoot.
  •swiftly/swift (adverb)
  • without losing time.

• Other synonyms:

  •Other relevant words:
  • deftly,
  • hasty,
  • nimbly,
  • abrupt,
  • rapidity,
  • lightly,
  • clearly,
  • instant,
  • celerity,
  • sudden,
  • hurried,
  • expressly,
  • Fastly,
  • velocity,
  • fleetness,
  • lively,
  • active,
  • intelligent,
  • agilely,
  • alert,
  • elusively,
  • clever,
  • bright,
  • alertly,
  • brief,
  • actively,
  • immediate,
  • fleeting,
  • suddenly,
  • keen,
  • agile,
  • nimble,
  • Baily,
  • quickness,
  • cursory,
  • dexterous,
  • meteorically,
  • readily.

Antonyms for Fleetly:

• adv.

  • fast
    slow, unfixedly, loosely, slowly.
  • promptly
    late, negligently.
  • quickly
    eventually, later.
  • soon
    far, distant, never.
  • swiftly/swift
    sluggishly.
  • Other antonyms:
    leisurely, ploddingly, deliberately, tardily, belatedly, laggardly, lingeringly.