Synonyms of rapidly in English:

rapidly

adverb

  • he drove rapidly to the scene of the accident
    quickly, fast, swiftly, speedily, at (full) speed, at the speed of light, post-haste, hotfoot, at full tilt, as fast as one's legs can carry one, at a gallop, expeditiously, briskly, promptly; hurriedly, in a hurry, fast and furious, hastily, in haste, in a rush, precipitately, abruptly
    North American informal lickety-split
    literary apace
    [Antonyms] slowly
  • Definition of rapidly in:

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    Word of the day internecine
    Pronunciation: ˌɪntəˈniːsʌɪn
    adjective
    destructive to both sides in a conflict