1. Having the colour of blood; red. Of his complexion he was sanguine. (Chaucer) Like to that sanguine flower inscribed with woe. (milton)
2. Characterised by abundance and active circulation of blood; as, a sanguine bodily temperament.
3. Warm; ardent; as, a sanguine temper.
4. Anticipating the best; not desponding; confident; full of hope; as, sanguine of success.
Synonym: warm, ardent, lively, confident, hopeful.
Origin: F. Sanguin, L. Sanguineus, fr. Sanguis blood. Cf. Sanguineous.
To stain with blood; to impart the colour of blood to; to ensanguine.
1. Blood colour; red.
2. Anything of a blood–red, as cloth. In sanguine and in pes he clad was all. (Chaucer)
3. (Science: chemical) bloodstone.
4. Red crayon. See the note under Crayon.