Meaning of “asphyxiate” - Learner’s Dictionary

asphyxiate

verb uk us /əsˈfɪksieɪt/
be asphyxiated

to die because you cannot breathe

asphyxiation uk us /əsˌfɪksiˈeɪʃən/ noun [ U ]

(Definition of “asphyxiate” from the Cambridge Learner’s Dictionary © Cambridge University Press)