symmetrical
symmetry + -ical
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source: Such perfect symmetry... wait, no! | Soul Eater | Know Your Meme
adjective
made up of exactly similar parts facing each other or around an axis; showing symmetry:
左右対称の, 対称的な(↔ asymmetric(asymmetrical))
e.g. the shape of a hill, smooth and symmetrical.
DERIVATIVES
symmetrically |səˈmetrək(ə)lē| adverb