D defs.my
Entry 2 senses Webster, 1913

Aberrant

/ăb-ĕr'-ənt/ · Ab·er·rant · IPA /əˈbɛɹ.ənt/
01 a. Wandering; straying from the right way.
  1. 1.
    Wandering; straying from the right way.
  2. 2.
    Deviating from the ordinary or natural type; exceptional; abnormal.(Biol.)
    “The more aberrant any form is, the greater must have been the number of connecting forms which, on my theory, have been exterminated.” Darwin.