airless

About 0.24 uses per million words.

Meaning

1. adjective Lacking or being without air.
2. adjective Lacking air circulation.
3. adjective With air that is stale.
4. adjective Suffering from asphyxia.
5. adjective Stifling; dead; lacking vitality or excitement.

Similar words

unventilated unaired close stuffy apneumatic atmosphereless breathless anoxic lungless ventless

Often followed by

and room space spray rooms injection world moon spraying