1. more musty, stuffy, or stale in smell or atmosphere
Usage: comparative form of 'frouzy' or 'frowzy'; chiefly British; archaic or dialectal

Examples

• The basement grew frouzier as the days passed without ventilation.
• After weeks of being sealed shut, the room felt frouzier than ever.
• The old library had a frouzier smell than the newly renovated wing.