hyper

adjective hy·per \ ˈhī-pər \

Definition of hyper

1 :high-strung, excitable; also :highly excited

was a little hyper after drinking too much coffee

2 :extremely active

hyper children

See hyper defined for English-language learners

Examples of hyper in a Sentence

I get a little hyper when I drink too much coffee.
she's so hyper that she's the last person you'd want to turn to in an emergency

Recent Examples of hyper from the Web

What could create such unprecedented unity, even enthusiasm, amid the hyper-partisan political rancor of 2017?

— jim proser, National Review, "James Mattis: No Better Friend, No Worse Enemy," 15 Aug. 2017
Chen Village, located within the Chinese city of Zhengzhou, is a prime example of a trend that has emerged in China's hyper growth.

— david grossman, Popular Mechanics, "Watch 36 Buildings Get Demolished in Just 20 Seconds," 9 Aug. 2017
For most of this year, the hyper-partisan Senate has been working at a glacial pace.

— Washington Post, "Senate moving swiftly? It happens when lawmakers can do it," 2 Aug. 2017
Some analysts say overly partisan districts have contributed to hyper-partisanship in state legislatures and Congress, and an inability for the two parties to work together.

— paul egan, Detroit Free Press, "Group seeks Michigan ballot proposal to end gerrymandering," 17 July 2017
That difference can cause our immune systems to become hyper-sensitized, Gilbert told NPR in a recent interview.

— caroline picard, Good Housekeeping, "REJOICE: Scientist Says Dirt Is Good for Kids," 17 July 2017
The worst is its bilious, myopic hyper-partisanship; the best the unrivalled ability of American institutions, including journalists whom Mr Trump reviles, to hold the powerful to account.

— The Economist, "The Trumps and RussiaWill Donald junior’s conduct jolt Republicans?," 15 July 2017
Westbrook and George have little relationship but much common ground, L.A. natives and Kobe disciples who were largely overshadowed on Southern California’s hyper-intense recruiting trail.

— lee jenkins, SI.com, "Behind The Scenes Of Paul George's OKC Arrival," 14 July 2017
Kicking in Memphis’s notoriously blustery Liberty Bowl Memorial Stadium, he was conditioned to be hyper-aware of the direction of the wind.

— kalyn kahler, The MMQB, "How his time on the mound helped steel the Patriots kicker for the loneliest job in football," 12 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hyper.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.