Definition of hyper in English:

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Pronunciation: /ˈhīpər/


Hyperactive or unusually energetic: eating sugar makes you hyper
More example sentences
  • Whenever his friends or family were around he became extremely energetic and hyper.
  • Next week will see the gates of Unionism come crushing down, be prepared to see the siege mentality go into hyper speed.
  • The long car ride and Red Bulls we had pounded left him hyper and a little crazy.
hyperactive, overactive, active, energetic;
busy, fidgety;
excited, frantic, frenetic, frenzied, adrenalized, feverish
informal keyed-up, fired-up, amped-up, psyched, high-energy, caffeinated, pumped, pumped up, turbocharged


1940s: abbreviation of hyperactive.

For editors and proofreaders

Syllabification: hy·per

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