adjective/ʁe.ɡy.lje/
regular (conforming to rules); regular (both equilateral and equiangular; having all sides of the same length, and all (corresponding) angles of the same size); regular (whose faces are all congruent regular polygons, equally inclined to each other); regular; dependable
“un polygone régulier”
Antonyms: irrégulier
Inherited from Old French reguler, borrowed from Late Latin regulāris.