suffocative
suf·fo·ca·tive
adjective
1.
causing difficulty in breathing especially through lack of fresh air and presence of heat
- “the choking June dust”
- “the smothering soft voices”
- “smothering heat”
- “the room was suffocating--hot and airless”
Origin
From suffocate + -ive.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.