ABERRANT

I. adjective Etymology: Latin ~-, aberrans, present participle of aberrare to go astray, from ab- + errare to wander, err Date: circa 1780 straying from the right or normal way, deviating from the usual or natural type ; atypical , aberrance noun aberrancy noun ~ly adverb II. noun Date: 1938 an ~ group, individual, or structure, a person whose behavior departs substantially from the standard