Of, relating to, or belonging to the ancient Greek school of philosophy and logic founded 400 b.c. by Euclides of Megara.
A philosopher of the Megaric school.
Mid 17th century; earliest use found in Thomas Stanley (1625–1678), poet and classical scholar. From ancient Greek Μεγαρικός belonging to Megara, philosopher of the Megarian school from Μέγαρα + -ικός.