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Adverb: forthwith  ,forth'with
  1. Without delay or hesitation; with no time intervening
    "an official accused of dishonesty should be suspended forthwith";
    - immediately, instantly, straightaway, straight off, directly, now, right away, at once, like a shot [informal], right off the bat [N. Amer, informal], instantaneously, outright, in a flash, tout de suite