Is it ensure, insure, or assure?
Over; above; beyond: hyperflexion.
Excessive; excessively: hyperhydration.
A prefix that means "excessive" or "excessively," especially in medical terms like hypertension and hyperthyroidism.
A publicist; promoter; advertiser; flack
[1960+; fr hype2]
[fr Greek hyper, ''super,'' and in the first sense probably fr medical terms like hyperactive, hyperkinetic, hyperthyroid, etc; in some sources this term is associated with hipped and hippish, fr hypochondriac, ''melancholic,'' first found in the early 18th century]