overexcited; overstimulated; keyed up.
seriously or obsessively concerned; fanatical; rabid: She's hyper about noise pollution.
a person who is hyper.
Other definitions for hyper (2 of 3)
a person who promotes or publicizes events, people, etc., especially one who uses flamboyant or questionable methods; promoter; publicist.
Other definitions for hyper- (3 of 3)
a prefix appearing in loanwords from Greek, where it meant “over,” usually implying excess or exaggeration (hyperbole); on this model used, especially as opposed to hypo-, in the formation of compound words (hyperthyroid).
- Compare super-.
- hyper- , hypo-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use hyper in a sentence
Boys are taught early in life to devalue care, to be hyper-competitive, super-achieving men.
She was born into a patriarchy and an industry that hyper-sexualizes women all the time.Revenge of the Rock Nerds: TV on the Radio’s Long Road to ‘Seeds’ | Marlow Stern | December 3, 2014 | THE DAILY BEAST
But the reality is that in our 24-7 hyper-connected world, powering down often requires powering up.
Jane was raised in a matriarchal family by her hyper-religious grandma and young, aspiring singer single mother.
But this patient was a doctor who had been treating people with Ebola in a facility awash with hyper-infective fluids.
This delight was at one time somewhat disturbed by his hyper-sensitiveness.The Life & Letters of Peter Ilich Tchaikovsky | Modeste Tchaikovsky
The two highest of these keys—the hyper-lydian and the hyper-aeolian—appear to have been added in the time of the Empire.The Modes of Ancient Greek Music | David Binning Monro
This report—exploited in five-column head-lines by a hyper-hysterical paper of that period received wide attention.Mark Twain, A Biography, 1835-1910, Complete | Albert Bigelow Paine
I trust that if we can ensure an atmosphere hyper-oxygenated to a certain point, we may be able to retain our senses.The Poison Belt | Arthur Conan Doyle
He had fought a short but furious ship-action, battering the invader until he was glad to hyper out.Space Viking | Henry Beam Piper
British Dictionary definitions for hyper (1 of 2)
informal overactive; overexcited
British Dictionary definitions for hyper- (2 of 2)
above, over, or in excess: hypercritical
(in medicine) denoting an abnormal excess: hyperacidity
indicating that a chemical compound contains a greater than usual amount of an element: hyperoxide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for hyper-
A prefix that means excessive or excessively, especially in medical terms like hypertension and hyperthyroidism.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.