Hypoventilation

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Respiratory depression, occurring when ventilation is inadequate to perform the necessary gas exchange, which may be caused by certain medical conditions, by holding one's breath, or by drug overdose. uncountable, usually

Antonyms

hyperventilation

Etymology

From hypo- + ventilation.

Related phrases

obesity hypoventilation syndrome hold one's breath

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.