aberrant
1. ab.er.rant \a-'ber-*nt\ aj [L aberrant-, aberrans, prp. of aberrare to go astray, fr. Xab- + errare to wander, err 1: straying from the right or normal way 2: deviating from the usual or natural type : ATYPICAL - ab.er.rant.ly av 2. aberrant n 1: an aberrant natural group, individual, or structure 2: a person whose behavior departs substantially from the standard