Reechy is a lesser-known word that means dirty or smelly. While this word is not used frequently in everyday language, there are plenty of synonyms that convey the same or similar meanings. Some of the synonyms for reechy include foul, disgusting, putrid, odorous, malodorous, stinky, fetid, noisome, rank, and rancid. These words can be used to describe anything from an unpleasant smell to a filthy environment. Whether you're looking for a stronger or milder word to describe something unpleasant, there are plenty of synonyms to choose from to get your point across.