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Adverb: terrifically  tu'ri-fik-lee
  1. Extremely well
    "she played terrifically";
    - wonderfully, wondrous [archaic], wondrously, superbly, toppingly [archaic], marvellously [Brit, Cdn], marvelously [US]
  2. [informal] To a great extent; over a large range or scale
    "salaries vary terrifically";
    - enormously, tremendously, hugely, immensely, vastly, massively [informal], greatly