adv on one side.
2. beside ·noun at the side of; on one side of.
3. beside ·noun over and above; distinct from; in addition to.
4. beside ·noun aside from; out of the regular course or order of; in a state of deviation from; out of.
5. beside ·adv more than that; over and above; not included in the number, or in what has been mentioned; moreover; in addition.