To disregard (something), to dismiss or ignore (someone), as unimportant.
Used other than figuratively or idiomatically: see brush, off. To remove something with a brush.
To exclude a person from a community or from society by not communicating with them or by refusing to acknowledge their presence; to refuse to associate with or talk to; to shun.
To ban a person from a city for five or ten years through the procedure of ostracism.