Entry 1 sense Webster, 1913 Asphyxiate /ăs-fĭk'-sē-ātˌ/ · As·phyx·i·ate · IPA /əsˈfɪksieɪt/ 01 v. t. To bring to a state of asphyxia; to suffocate. [Used commonly in the past pple.] 1. To bring to a state of asphyxia; to suffocate. [Used commonly in the past pple.]