Foulness is an island on the east coast of Essex in England. It is separated from the mainland by narrow creeks. The large island had a usually resident population of 212 people in the 2001 census, who live in the settlements of Churchend and Courtsend, at the north end of Foulness.

a state characterized by foul or disgusting dirt and refuse

the attribute of having a strong offensive smell

inflammable air.

The quality or condition of being foul.