1. Cheerfully optimistic or confident.
2. Having a healthy reddish color.
ETYMOLOGY: From Old French sanguin, from Latin sanguineus (bloody), from sanguis (blood).
USAGE: "As usual, Phillips is sanguine: Michael is totally focused now, and the insurance wasn't a problem, it was just expensive."Robert Sandall; Will Michael Jackson Survive His Concert Marathon? The Sunday Times (London, UK); May 31, 2009.