saurian /ˈsɔːɹiən/noun 3adjective 2forms 3 noun3 •A reptile of the suborder Sauria.I took heart, however, as I recalled a conversation between Challenger and Summerlee upon the habits of the great saurians. — 1912 •Any large reptilian animal, including crocodiles and reptilian aliens.Good evening, fellow saurians, and welcome once again to the Tri-Sports Arena! I'm your host, Raz Charkov... — 1986 •(figurative) A lizardlike person.He was one of the very few larger saurians in the émigré marshes. — 1974 adjective2 •Of or related to the members of the suborder Sauria. •(figurative) Synonym of lizardlike or reptilian. formssaurians · more saurian · most saurian