Foul

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 competitor accused his opponent of playing foul in the chess tournament.

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

The journalist exposed the foul practices of the pharmaceutical industry.

The young boy watched in awe as the foul soared through the air.