What does the word speculation mean?

Usage examples for speculation

  1. " They should not," replied her father; " but as they invariably do, the speculation is one outside our immediate concern. – Kai Lung's Golden Hours by Ernest Bramah Commentator: Hilaire Belloc
  2. That was to say that one would make an addition of more than one pound a week to one's income by this simple little speculation. – Mortal Coils by Aldous Huxley
  3. But his speculation on this head was cut short. – The Red Derelict by Bertram Mitford
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