SANGUINEOUS Meaning of SANGUINEOUS in English [san.guin.e.ous] adj [L sanguineus] (ca. 1520) 1: bloodred 2: of, relating to, or involving bloodshed: bloodthirsty 3: of, relating to, or containing blood Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012