Meaning of “asphyxiate” - Learner’s Dictionary

asphyxiate

verb us uk /əsˈfɪksieɪt/
be asphyxiated

to die because you cannot breathe

asphyxiation noun [ U ] us uk /əsˌfɪksiˈeɪʃən/

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