Learn how to say Sanguineness correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word sanguine:
1optimistic or positive, especially in an apparently bad or difficult situation:
he is sanguine about prospects for the global economy
the committee takes a more sanguine view
(in medieval science and medicine) of or having the constitution associated with the predominance of blood among the bodily humours, supposedly marked by a ruddy complexion and an optimistic disposition.
archaic (of the complexion) florid or ruddy.
2 literary & Heraldry blood-red.
3 archaic bloody or bloodthirsty.
a blood-red colour.
a deep red-brown crayon or pencil containing iron oxide.
Heraldry a blood-red stain used in blazoning.
Middle English: from Old French sanguin(e) ‘blood red’, from Latin sanguineus ‘of blood’, from sanguis, sanguin- ‘blood’