Pronunciation: (bi-sīd'),[key] —prep. 1. by or at the side of; near: Sit down beside me. 2. compared with: Beside him other writers seem amateurish. 3. apart from; not connected with: beside the point; beside the question. 4. besides (defs. 4, 5).
5. beside oneself, almost out of one's senses from a strong emotion, as from joy, delight, anger, fear, or grief: He was beside himself with rage when the train left without him.
—adv. 1. along the side of something: The family rode in the carriage, and the dog ran along beside. 2. besides (def. 2).