What does the word singularity mean?

Usage examples for singularity

  1. Perhaps- there were people base enough to whisper this- they had feared the singularity of " letting on." – A Crooked Mile by Oliver Onions
  2. Even in that trying moment, the younger was impressed by the singularity of his friend's actions, though there was no opportunity to ask an explanation. – The Land of Mystery by Edward S. Ellis
  3. First of all, and principally, I believe, the strangeness and singularity of its tones; then there was something mysterious and uncommon associated with its use. – Lavengro The Scholar, The Gypsy, The Priest by George Borrow
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