adjective
- superlative form of fousy or fousy; musty, stuffy, or having a stale, unpleasant smell
Usage: chiefly British dialect or informal; rare in modern standard English
Examples
- The foustiest corner of the attic had not been opened in decades.
- After being sealed all winter, the room smelled foustiest of all the bedrooms.
- He complained that the old library was the foustiest place he'd ever visited.