"sanguine" in the noun sense
a blood-red color
"sanguine" in the adjective sense
1. sanguine, sanguineous
confidently optimistic and cheerful
2. rubicund, ruddy, florid, sanguine
inclined to a healthy reddish color often associated with outdoor life
"a ruddy complexion"
"Santa's rubicund cheeks"
"a fresh and sanguine complexion"
Source: WordNet® (An amazing lexical database of English)
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