Webster’s Revised Unabridged Dictionary · 1913 Difformity Dif·form′i·ty (dĭf·fôrm′ĭ·ty̆), n. [Cf. F. difformité. See Difform, Deformity.] Irregularity of form; diversity of form; want of uniformity. [Obs.] Sir T. Browne. ‹ Difform Diffract ›