a. [f. prec. + -AL.] Of, pertaining to, or characterized by aberration; eccentric, irrational, or unsound.
1849. J. S. Cummins, Altham, II. 133. Not an abberrational twinkle of a fixed star was lost to the eye.
1866. Reader, No. 164. 170/1. The aberrational myths of early ages.
