What does the word consternation mean?

Usage examples for consternation

  1. And his consternation increased yet further when, after losing sight of Salvat for a moment, he saw him standing in front of the Duvillard mansion, on the same spot where he had fancied he recognised him that morning. – Paris From the "Three Cities" by Emile Zola
  2. I expressed my consternation to Admiral Jellicoe. – The Victory At Sea by William Sowden Sims Burton J. Hendrick
  3. " I remember, now, your consternation when you realised it," she said, smiling. – The Danger Mark by Robert W. Chambers