Definition of hyperventilate in English:



  • 1Breathe or cause to breathe at an abnormally rapid rate, so increasing the rate of loss of carbon dioxide.

    no object ‘she started to hyperventilate under stress’
    with object ‘the patients were hyperventilated for two minutes’
    • ‘She began vomiting, hyperventilating, and convulsing.’
    • ‘Her breathing sounded more like hyperventilating as she paced back and forth.’
    • ‘I crawled away and knelt on the deck, trying to slow my breathing before I hyperventilated.’
    • ‘Patients can reproduce these spells by hyperventilating in a controlled environment.’
    • ‘I started to hyperventilate and couldn't breathe.’
    • ‘These changes contribute to the high anion gap that hyperventilating patients may demonstrate, as observed initially in this patient.’
    • ‘Taking deep breaths she began to hyperventilate, but in a more discreet way.’
    • ‘This will cause a certain subset of the population to begin hyperventilating and breathing into paper bags.’
    • ‘This compensation is usually excellent, as most asthmatics hyperventilate during an episode of wheezing with dyspnea.’
    • ‘I recognised him and tried to say something but just ended up shuddering and gasping breaths, hyperventilating.’
    • ‘The subject was then switched to a rebreathing bag and was asked to stop hyperventilating.’
    • ‘I'm going to start hyperventilating any minute now.’
    • ‘Subjects may hyperventilate for several minutes before diving to increase underwater time.’
    • ‘It's the silly, hyperventilating category of ‘pre-hypertension’ that we're ignoring.’
    • ‘Her mouth moved opened and closed with each breath, coming in such rapid fire that she was sure she would hyperventilate any second.’
    • ‘To find out if you over-breathe or hyperventilate the device includes a procedure for measuring your volume of lung ventilation.’
    • ‘She immediately began panicking, hyperventilating into her breath mask as she floated in the water tank, pushing against the glass walls.’
    • ‘In times of extreme stress, people may shake uncontrollably, hyperventilate (breathe faster and deeper than normal) or even vomit.’
    • ‘So does that mean you become light headed and silly, or faint, as you would if you hyperventilated at sea level?’
    • ‘He then began to hyperventilate and allegedly fainted and hit the car in front of him.’
    affected, ostentatious, chichi, showy, flashy, tinselly, conspicuous, flaunty, tasteless, kitschy
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  • 2no object Be or become overexcited.

    ‘the President was hyperventilating about a minor newspaper story’