Foul-smelling is an adjective used to describe something that has an unpleasant odor. The crossword solutions for this term include REEKING (7 letters), RANK (4 letters), FUNKY (5 letters), FETID (5 letters), OLID (4 letters), PUTRID (6 letters), NOISOME (7 letters), RANCID (6 letters), ROTTEN (6 letters), MALODOROUS (10 letters), ODOROUS (7 letters), RIPE (4 letters), and ACRID (5 letters), and NASTY (5 letters). All of these words are used to describe something that has a bad smell, and can be used to describe a variety of different things, from food to body odor.