hyper

1) As an adjective, hyper is slang for "keyed up" or "overwrought."

2) Hyper is also a prefix, from the Greek hyper- , meaning over, above, or excessive, used in such terms as hyperbole (exaggeration in describing something) and hypertext (text that extends to point to or include other text).

3) In science, also as a prefix, hyper- is something that exists in a space of four or more dimensions, such as a hyperplane.

4) In marketing, hyper is used to describe a product or concept that incorporates virtualization. See also: hypervisor