Inside it was dark, the air heavy with a musty odor.

In warm weather, this room has a musty odor, especially when the humidity is high.

The storage level had a musty, unused odor to it.

It will also probably cause a musty odor that is very hard to get rid of.

They give a musty or earthy odor that can be quite strong.

Another way is to pinpoint the source of any musty odor.

"Ordinarily, its impossible to tell where a musty odor is coming from," he said.

A musty, stale odor was drifting in from the space behind it.

The place had a dank, musty odor that he did not like.

A familiar, musty odor came suddenly to the boys' nostrils.