·adj Wanting in symmetry, or due proportion pf parts.
II. Unsymmetrical ·adj Being without symmetry of chemical structure or relation; as, an unsymmetrical carbon atom.
III. Unsymmetrical ·adj Not symmetrical; being without symmetry, as the parts of a flower when similar parts are of different size and shape, or when the parts of successive circles differ in number. ·see Symmetry.