1. [adj]  unwilling or unable to conform to normal standards of social behavior; "criminal behavior or conduct that violates the rights of other individuals is antisocial"; "crimes...and other asocial behavior"
2. [adj]  given to avoiding association with others; "bears are asocial secretive animals"; "are you asocial or do you just enjoy living in the Antarctic?"

ASOCIAL is a 7 letter word that starts with A.