hyperventilate

hy·per·ven·ti·late

verb \-ˈvent-^əl-ˌāt\

hy·per·ven·ti·lat·edhy·per·ven·ti·lat·ing

Definition of HYPERVENTILATE

intransitive verb

: to breathe rapidly and deeply : undergo hyperventilation <some swimmers hyperventilate>

transitive verb

: to subject to hyperventilation <he hyperventilated his lungs by deep breathing>