[ hahy-per-ven-tl-eyt ]
/ ˌhaɪ pərˈvɛn tlˌeɪt /

verb (used without object), hy·per·ven·ti·lat·ed, hy·per·ven·ti·lat·ing.

to be afflicted with hyperventilation; breathe abnormally fast and deep.

verb (used with object), hy·per·ven·ti·lat·ed, hy·per·ven·ti·lat·ing.

to cause (a patient) to breathe more rapidly and deeply than normal.

Origin of hyperventilate

First recorded in 1930–35; back formation from hyperventilation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for hyperventilate


/ (ˌhaɪpəˈvɛntɪleɪt) /


(intr) to breathe in an abnormally deep, long, and rapid manner, sometimes resulting in cramp and dizziness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012