Foul

The handler carefully weighed the foul to monitor its health.

The sailor had to clean the foul decks of the ship after a storm.

The ship struggled to navigate through the foul fog.

The foul fog obscured the view of the harbor from the ship's deck.

The journalist uncovered evidence of foul play in the corruption scandal.

The journalist exposed the foul practices of the pharmaceutical industry.

The foul haze hanging over the city made it hard to see the skyscrapers.