1. adjective /əˈbɛrənt,ˈæbərənt,əˈbɛrənt/
The more aberrant any form is, the greater must have been the number of connecting forms which, on my theory, have been exterminated.
b) Deviating from morality; straying from the right way.
2. noun /əˈbɛrənt,ˈæbərənt,əˈbɛrənt/
A person or object that is aberrant.
Wikipedia foundation.