sanguine
1. san.guine \'san-gw*n\ \-gw*n-n*s\ aj [ME sanguin, fr. MF, fr. L sanguineus, fr. sanguin-, sangu]is 1: BLOODRED 2a: consisting of or relating to blood 2b: SANGUINARY of the complexion 2c: RUDDY 3a: having blood as the predominating bodily humor 3b: having the bodily conformation and temperament held characteristic of such predominance and marked by sturdiness, high color, and cheerfulness 4: CONFIDENT, OPTIMISTIC - san.guine.ly av 2. sanguine n : a moderate to strong red