Definition of "hyperventilated" [hyperventilated]

• Simple past tense and past participle of hyperventilate. (verb)

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• "I know the first time he did it, he kind of hyperventilated a little."
• "Subjects hyperventilated, in the hour before the attack and during control periods, resulting in consistently elevated carbon-dioxide levels."
• "I hyperventilated & then burst into tears at the launch we went to."