to breathe too quickly because you are very frightened or excitedverbjump to other results
NAmE//ˌhaɪpərˈvɛntəˌleɪt//[intransitive](technology)Verb Forms present simple I / you / we / they hyperventilate
he / she / it hyperventilates
past simple hyperventilated
-ing form hyperventilating
hyperventilationjump to other results
NAmE//ˌhaɪpərˌvɛntəˈleɪʃn//noun [uncountable] The symptoms of hyperventilation can mimic all the symptoms of anxiety and chronic stress.