Antisocial is defined as someone who is unable, or chooses not, to spend time with other people, and sometimes expresses their feelings in an unkind or rude way.(adjective)
An example of an antisocial person is a hermit.
The definition of antisocial is someone who goes against the norms in society or behavior.(adjective)
An example of an antisocial person is Timothy McVeigh.
See antisocial in Webster's New World College Dictionary
See antisocial in American Heritage Dictionary 4
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