Cacodylic is an adjective that refers to anything that has a bad or unpleasant odor. Many synonyms can be used in place of this word to convey the same meaning. For instance, malodorous is an excellent substitute when describing something that emits an unpleasant smell. Noxious is also a suitable alternative, especially when referring to harmful substances that produce unpleasant odors. Other options include pungent, foul-smelling, rank, nauseating, stinky, fetid, and putrid. Each of these synonyms evokes different interpretations of unpleasant smells, depending on the context in which they are used. Therefore, it is essential to choose the appropriate word that best conveys the intended meaning to the reader or listener.