san-guine / ˈsaŋ-gwən
adjective cheerfully optimistic or hopeful That glorious vision of doing good is so often the sanguine mirage of so many good souls. from ‘A Tale of Two Cities’ by Charles Dickens, 1812-1870 bloodred While far overhead hang gloriously Large luscious berries of sanguine dye, For the best grows highest, always highest, Upon the mulberry-tree. from ‘The Mulberry-Tree’ by Dinah Maria Murlock Craik, 1826-1887 red in hue; ruddy [Mrs. Pryor] was all unnerved; her naturally sanguine complexion was pale; her usually placid, though timid, blue eye was wandering, unsettled, alarmed. from ‘Shirley’ by Charlotte Brontë, 1816-1855 relating to blood All the inflammations that come under the name of phlegmonous have the same seat; they are all in the sanguine arteries of the part inflamed. from ‘A New Medical Dictionary’ by George Motherby, c.1731-1793 noun a strong red color Yet on Wall Street, the scene is the other kind of sanguine: The stock has slipped into the red for the year. Hannah Levitt, ?-, ‘As Wells Fargo seeks a new CEO, it loses $24 billion in market value.’