vigilant

Part of speech: adverb

Vigilantly.

Part of speech: adjective

Being awake and on the alert; watchful; heedful.

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Usage examples "vigilant":

  1. Frank, solicitous for the little fellow's safety, kept vigilant watch over him for some days, but no violence was attempted. - "Frank's Campaign or the Farm and the Camp", Horatio Alger, Jr..
  2. But the vigilant Anastasia saw something which encouraged her. - "The Green Flag", Arthur Conan Doyle.
  3. I have been no less vigilant than Ragobah, yet I have failed, even as he has failed. - "The-Darrow-Enigma", Severy, Melvin Linwood.