Adjective : a sanguine disposition; sanguine expectations. ,a sanguine complexion.    From Dictionary.com. 

Disraeli is another who had an unsanguine view of conferences: “The Conference lasted six weeks.    From Wordnik.com.  [Will Rogers (1879-1935)] Reference

You have too much poetry in you to quote that unsanguine sensualist for your case.    From Wordnik.com.  [The Tragic Comedians — Complete] Reference

He had never, however, seen anything like the De Willoughby claimants -- big Tom telling his straightforward story with his unsanguine air, the attractive youngster adding detail with simple directness, and the girl, Sheba, her roe's eyes dilated with eager interest hanging upon their every word.    From Wordnik.com.  [In Connection with the De Willoughby Claim] Reference

What he saw raised even his unsanguine spirits.    From Wordnik.com.  [A different flesh]

May I, unsanguine, cast away!.    From Wordnik.com.  [Johnson's Lives of the Poets — Volume 2] Reference