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Longman Dictionary of Contemporary English
hyper-
prefix
EXAMPLES FROM OTHER ENTRIES
▪ a hyper-intelligent person
▪ hyperextension
The Collaborative International Dictionary
Hyper-

Hyper- \Hy"per-\ [Gr. "ype`r over, above; akin to L. super, E. over. See Over, and cf. Super-.]

  1. A prefix signifying over, above; as, hyperphysical, hyperthyrion; also, above measure, abnormally great, excessive; as, hyper[ae]mia, hyperbola, hypercritical, hypersecretion.

  2. (Chem.) A prefix equivalent to super- or per-; as hyperoxide, or peroxide. [Obs.] See Per-.

Douglas Harper's Etymology Dictionary
hyper-

word-forming element meaning "over, above, beyond, exceedingly, to excess," from Greek hyper (prep. and adv.) "over, beyond, overmuch, above measure," from PIE super- "over" (see super-).

Wiktionary
hyper-

pre. 1 over, above or beyond 2 excessive 3 existing in more than three spatial dimensions 4 linked non-sequentially