Definition of hyper in English:

hyper

adjective

informal
  • Hyperactive or unusually energetic.

    ‘eating sugar makes you hyper’
    • ‘A generation will grow up even more fickle than before, hyper consumers, hedonists.’
    • ‘Beth's hyper as it is and has a bit of a caffeine intolerance.’
    • ‘Williams was so hyper it made Faulkner ‘look like a Zen Buddhist, even with his twitching’.’
    • ‘I'm slowly losing the slight hyper buzz I had going on this afternoon, but that's okay.’
    • ‘Whenever his friends or family were around he became extremely energetic and hyper.’
    • ‘You get a smiley, hyper, crazy kid who was just so out there it was a wonder where he got his energy from.’
    • ‘I had hoped the dogs would be less excited, but when have they ever been anything but hyper to meet guests?’
    • ‘They're not only super sexy, they also are totally hyper and so much fun onstage.’
    • ‘They make us hyper and overexcited and, once faded, leave us grumpy or exhausted or or tearful or craving more.’
    • ‘The long car ride and Red Bulls we had pounded left him hyper and a little crazy.’
    • ‘Naturally, Olive was hyper, the way the woman was talking she had the job and it was only a matter of signing a contract.’
    • ‘Maybe there's been so much rejection from past peers that she acts hyper to get attention.’
    • ‘It gives me the right to be hyper and full of zest and energy, or slow and devoid of all unique thought.’
    • ‘Refreshingly frank and unaffected, he loves a chat and concedes that he's often hyper.’
    • ‘Next week will see the gates of Unionism come crushing down, be prepared to see the siege mentality go into hyper speed.’
    • ‘He waves away a hotel employee bearing refreshments: coffee makes him hyper.’
    • ‘I hate going even without these barriers so I'm on hyper alert for anything that might lead me down that path.’
    • ‘Now I'm hyper and freaked out, and at the same time too depressed to work.’
    • ‘I was still feeling exhausted from the last week, so had a strong coffee just before going on and felt a bit hyper for the first hour or so.’
    • ‘My two girls, Romy, who's three and a half and Honor who's just one and half, were hyper with all the activity.’
    mad, crazy, insane, out of one's mind, hysterical, beside oneself, frenzied, crazed, demented, maniacal, manic, frantic, wound up, worked up, raving, wild
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Origin

1940s: abbreviation of hyperactive.

Pronunciation:

hyper

/ˈhʌɪpə/