Foul

The falconer used a leather glove to handle the foul during hunting expeditions.

The foul rag that he used to clean the car only made it dirtier.

The foul smog over the city obscured the stars at night.

The singer's voice sounded foul during the live performance.

The car's engine started running foul, causing it to sputter and stall.

The fisherman cast his foul into the water and waited patiently for a bite.

The foul smoke from the burning forest obscured the sun and created a gloomy atmosphere.