unbreathable
adjective
1. Not suitable for breathing.
- The atmosphere on Venus is an unbreathable mixture of carbon dioxide and sulphuric acid, amongst other things.
2. Not letting air seep through.
- an unbreathable fabric
1. Not suitable for breathing.
- The atmosphere on Venus is an unbreathable mixture of carbon dioxide and sulphuric acid, amongst other things.
2. Not letting air seep through.
- an unbreathable fabric