<p><strong>Verb (used with object):</strong></p><ul><li>to produce asphyxia in.</li><li>to cause to die or lose consciousness by impairing normal breathing, as by gas or other noxious agents; choke; suffocate; smother.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>to become asphyxiated.</li></ul>