(airier, airiest)
1.
If a building or room is ~, it has a lot of fresh air inside, usually because it is large.
The bathroom has a light and ~ feel.
? stuffy
ADJ
2.
You can use ~ to describe someone’s behaviour when they are light-hearted and casual about things which some people take seriously.
Giving them an ~ wave of his hand, the Commander sailed past.
= casual
ADJ: ADJ n