What does "fresh air" mean?

The natural, clean air from outside, as opposed to the relatively stuffy air inside.

What is a synonym for "fresh air"?

Common synonyms include: clean air.

noun

noun ·Rare ·Advanced level

Noun

1
The natural, clean air from outside, as opposed to the relatively stuffy air inside. uncountable
"Farmers are generally very healthy people, because they have a healthy diet and get lots of fresh air."

"Farmers are generally very healthy people, because they have a healthy diet and get lots of fresh air."