Odorousness refers to the quality of having a strong and unpleasant smell. Some synonyms for this word include foulness, stench, fetor, malodor, reek, and noxiousness. These words all describe the characteristic of having a bad smell that can be unpleasant to those who encounter it. Other related words that are sometimes used to describe odorousness can include mustiness, moldiness, or staleness, depending on the specific type of odor. When trying to avoid odorousness, it is important to take steps to keep environments clean and free of bacteria or other sources of bad smells. This can involve regular cleaning and disinfecting, as well as addressing any sources of moisture or mold.