Answer: airless

AnswerCrossword Clue
AIRLESSStill; stuffy
airlesslacking air
airlessthat is without a breeze; still
airlessthat is without fresh air; stuffy
airlesshaving no air
AIRLESSLike a vacuum
AIRLESSLike the moon
AIRLESSLike a vacuum or the moon
AIRLESSClose
AIRLESSStuffy
AIRLESSNeeding ventilation
AIRLESSHermetically sealed
AIRLESSLacking atmosphere
AIRLESSUnventilated
AIRLESSHermetically sealed.
AIRLESSClose.
AIRLESSWithout ventilation.
AIRLESSVacuous.