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hyper
1[ hahy-per ]
/ ˈhaɪ pər /
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adjective
overexcited; overstimulated; keyed up.
seriously or obsessively concerned; fanatical; rabid: She's hyper about noise pollution.
noun
a person who is hyper.
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QUIZ YOURSELF ON "WAS" VS. "WERE"!
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Origin of hyper
1First recorded in 1970–75; probably independent use of hyper-
Words nearby hyper
Other definitions for hyper (2 of 3)
hyper2
[ hahy-per ]
/ ˈhaɪ pər /
noun Informal.
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)
hyper-
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-.
Origin of hyper-
WORDS THAT MAY BE CONFUSED WITH hyper-
hyper- , hypo-Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use hyper in a sentence
British Dictionary definitions for hyper (1 of 2)
hyper
/ (ˈhaɪpə) /
adjective
informal overactive; overexcited
Word Origin for hyper
C20: probably independent use of hyper-
British Dictionary definitions for hyper (2 of 2)
hyper-
prefix
above, over, or in excesshypercritical
(in medicine) denoting an abnormal excesshyperacidity
indicating that a chemical compound contains a greater than usual amount of an elementhyperoxide
Word Origin for hyper-
from Greek huper over
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
Medical definitions for hyper
hyper-
pref.
Over; above; beyond:hyperflexion.
Excessive; excessively:hyperhydration.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for hyper
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.