suffocative

adj

1. Tending or able to choke or stifle.

   “suffocative catarrhs”

   “Both of these were true; but the snowy heights of the numerous surrounding hills, and the loner chain of mountains which reached quite across and almost buried the adjoining kingdom of Thrace, preserved a more steady and severe cold in winter, than on the sea-coast; and a more uniform and suffocative heat, in summer.”

   “March 24, 1803, the day of his entrance into the Clinical Hospital, he was in a state of extreme anxiety; respiration was suffocative ; he felt in the region of the heart sharp pains which compelled him to shriek, particularly at night.”

   “Azote, by others called phlogisticated, mephitic, corrupted, or suffocative air, is absolutely unrespirable, and not miscible with water. It arises from the change which atmospherical air undergoes in every process of combustion, putrefaction and respiration, whether produced by nature or art.”