malodorous \mal*o"dor*ous\, a. Offensive to the sense of smell; ill-smelling. -- {mal*o"dor*ous*ness}. n. --Carlyle. [1913 Webster]
malodorousness \mal*o"dor*ous*ness\ n. The attribute of having a strong offensive smell. Syn: stinkiness, foulness, rankness. [WordNet 1.5]