What does the word sanguine mean?

Usage examples for sanguine

  1. But the Hans were as desperate as we were sanguine, for we had time on our side. – The Airlords of Han by Philip Francis Nowlan
  2. He had been very sanguine the day he hid in the library. – The Magnetic North by Elizabeth Robins (C. E. Raimond)
  3. It was plain that the States' troops were not in so great a panic as the more sanguine advisers of the archduke had hoped. – Project Gutenberg History of The Netherlands, 1555-1623, Complete by John Lothrop Motley
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