Definition of "sanguineness" [san•guine•ness]

• The property of being sanguine. (noun)

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• "'sanguineness' that he would be able to approve of the contributions to follow, as 'Amos' gave indications of great freshness of style."
• "Such relations could contain little besides the sanguineness of hope, and the enumeration of hardships and difficulties, which former accounts had not led us to expect."
• "Though his knowledge was infinitely exceeded by that of some able men who paid a particular attention to the subject, he did not come behind them in the sanguineness of his hopes and expectation."