unbreathable
/ˌʌnˈbriːðəbəl/
adjective
- Not suitable or safe for breathing; containing harmful substances or lacking enough oxygen.
- The air in the mine became unbreathable after the gas leak.
- Wildfire smoke made the outdoor air unbreathable for miles.
- They had to wear masks because the room was filled with unbreathable fumes.
Synonyms
Antonyms