hyper: Meaning and Definition of

hy•per

1. overexcited; overstimulated; keyed up.
2. seriously or obsessively concerned; fanatical; rabid: She's hyper about noise pollution.
3. hyperactive.

1. a person who is hyper.

hy•per

1. a person who promotes or publicizes events, people, etc., esp. one who uses flamboyant or questionable methods; promoter; publicist.

hyper-

1. a prefix appearing in loanwords from Greek, where it meant “over,” usually implying excess or exaggeration (hyperbole); on this model used, especially as opposed toin the formation of compound words (hyperthyroid). Cf. super-.