<p><strong>Verb (used with object):</strong></p><ul><li>to kill by preventing the access of air to the blood through the lungs or analogous organs, as gills; strangle.</li><li>to impede the respiration of.</li><li>to discomfort by a lack of fresh or cool air.</li><li>to overcome or extinguish; suppress.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>to become suffocated; stifle; smother.</li><li>to be uncomfortable due to a lack of fresh or cool air.</li></ul>