- A prefix equivalent to super- or per-; as hyperoxide or peroxide. [Obs.] See Per-.
- A prefix signifying over, above; as, hyperphysical, hyperthyrion; also, above measure, abnormally great, excessive; as, hyperaemia, hyperbola, hypercritical, hypersecretion.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). hyper-. Retrieved September 20, 2026, from http://smartdefine.org/hyper-/definitions/2018290 |
| Chicago | Webster's. 2011. "hyper-" http://smartdefine.org/hyper-/definitions/2018290 (accessed September 20, 2026). |
| Harvard | Webster's 2011, hyper-, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/hyper-/definitions/2018290>. |
| MLA | Webster's. "hyper-" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/hyper-/definitions/2018290> |