airless

adjective5

1. •
   Lacking or being without air.
2. •
   Lacking air circulation.
3. •
   With air that is stale.
4. •
   (figurative) Stifling; dead; lacking vitality or excitement.

   • The worst that can—and has—been said about Memento is that it’s an airless gimmick, visually undistinguished, and not even all that sophisticated when the puzzle pieces are finally put together. — 2012
5. •
   Suffering from asphyxia.