Definition of airless | Bee Dictionary of English

Because the Tweel is airless, it is more rugged than a pneumatic tire and never goes flat.
The only way to conduct the work was to get above that blinding blanket and look across clear, airless space.
Instead, he would need something with real propulsive oomph a liquid like kerosene or liquid hydrogen, mixed with liquid oxygen to allow combustion to take place in the airless .

Police briefs
A saw and airless spray painter were reported missing from a garage along the 1000 block of Beverly Hills Drive.
June 11, 2013 - Lancaster Eagle-Gazette
Turning Banville's books into movies
Sir, - It is always a delight to read anything by John Banville, but I am devastated to think that while he considers a film set does have 'something of the airless intensity of the shrine of a sibyl', he feels his novels when finished 'give off not the breath of life but the whiff of decomposition' (Arts & Books, June 8th).
June 11, 2013 - HispanicBusiness.com

President Bush in Texas A&M The Battalion
The role was offered and I just did some research of who was involved and what their deal was because in television you're kind of trapped in an airless box, working very closely together with these people. And if the dynamics aren't right it can... Bruce Campbell http://www.google.com/url?q=http://en.wikipedia.org/wiki/Bruce_Campbell&source=dictionary&usg=AFQjCNGLkwn_JBNmXUP00tIKYjQHSShGOA Macon Telegraph http://www.google.com/url?q=http://www.macon.com/231/story/392199.html&source=dictionary&usg=AFQjCNEuSkZyYlND5LLqTLIDs33YJcEKwg Jun 30, 2008 2354 3137 airless Bush said, Some of you are here to see an 80-year-old dude, who tomorrow will strap on a helmet, zip up a flight suit and jump out of a perfectly good airless space vehicle while yelling at Father Time, 'Take this you old man!' Some of you are here...
Emma Thompson in BBC News
With children you need a lot of energy on the set, because sets can be rather airless and childish spirits can lose energy,says Thompson. "My job on set is to keep them energised, so it's an exhausting process, but the rewards are...