Meanings
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1
adj
having little or no fresh air or air circulation; stuffy
The airless cellar smelled of damp wood and old paper.
-
2
adj
containing no air or atmosphere
The probe crossed the airless surface of the moon.
Thesaurus
Etymology
Formed from air + -less. The word can describe either a place with no circulating fresh air or, more literally, an environment without an atmosphere.