The Oxford Thesaurus An A-Z Dictionary of Synonyms - besideprep.

1) alongside, near, next to, with, close to, hard by, nearby, by: A handsome young man walked up and sat down beside her. 2) away from, wide of, apart from, unconnected with, off: The fact that I owe you money is entirely beside the point. 3) beside oneself. out of one's mind or wits, at the end of one's tether, overwrought, agitated, upset, crazy, mad: She was beside herself with grief when she heard the news.