What does the word singular mean?

Usage examples for singular

  1. His eyes were fixed on Jane, and with such a singular expression that the latter, meeting their gaze, felt startled, she did not know why. – The Nether World by George Gissing
  2. It was most singular. – A Prisoner in Fairyland by Algernon Blackwood
  3. It is indeed a singular example how natural business is to the English race, that the House of Lords works as well as it does. – The English Constitution by Walter Bagehot