Definition of excess

• n. - The state of surpassing or going beyond limits; the being of a measure beyond sufficiency, necessity, or duty; that which exceeds what is usual or prover; immoderateness; superfluity; superabundance; extravagance; as, an excess of provisions or of light.
• n. - An undue indulgence of the appetite; transgression of proper moderation in natural gratifications; intemperance; dissipation.
• n. - The degree or amount by which one thing or number exceeds another; remainder; as, the difference between two numbers is the excess of one over the other.