Definition of hyper in English:

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hyper

Pronunciation: /ˈhʌɪpə/

adjective

informal
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.

Origin

1940s: abbreviation of hyperactive.

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