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Webster 1828 Edition

Adj.

[L. sanguineus, from sanguis, blood.]

Red; having the color of blood; as a sanguine color or countenance.

Abounding with blood; plethoric; as a sanguine habit of body.

Warm; ardent; as a sanguine temper.

Confident. He is sanguine in his expectations of success.

sanguin m ‎(feminine singular sanguine, masculine plural sanguins, feminine plural sanguines)