frowsty (adjective)

1. The protagonist walked into the old library, overwhelmed by the frowsty smell of decaying books.

2. According to Greek mythology, the temple of Hades had a frowsty atmosphere that represented the underworld.

3. The antique shop had a charmingly frowsty ambiance with its dusty shelves and vintage furniture.

4. In the comic strip, the superhero entered the villain's lair and instantly wrinkled his nose at the frowsty odor.