Sanguine meaning : Blood colour; red. Anything of a blood-red colour, as cloth. A tincture, seldom used, of a blood-red colour (not to be confused with murrey). Bloodstone. Red crayon. To stain with blood; to impart the colour of blood to; to ensanguine. Having the colour of blood; blood red. Having a bodily constitution characterised by a preponderance of blood over the other bodily humours, thought to be marked by irresponsible mirth; indulgent in pleasure to the exclusion of important matters. Characterized by abundance and active circulation of blood. Warm; ardent. Anticipating the best; optimistic; confident; full of hope. Full of blood; bloody. Bloodthirsty.