Berean noun 3adjective 1forms 3 noun3 •(historical) An inhabitant of the ancient city of Berea in what is now northern Greece. •Someone who is meticulous in the study of the Scriptures. •(historical) A member of an 18th-century Scottish Protestant sect who derived all knowledge of God from the Bible. adjective1 •Meticulous in the study of the Scriptures.The evangelical Church of America is not rationalistic. It is becoming more Berean, not accepting the dicta of theologians, but searching the Scriptures. — 1880 formsBereans · more Berean · most Berean