fetidness(n = noun.attribute) foulness, malodorousness, rankness, stinkiness - the attribute of having a strong offensive smell;
is a kind of aroma, odor, odour, olfactory property, scent, smell
has particulars: b.o., body odor, body odour
Derived form adjective fetid₁

   The quality or state of being fetid. [1913 Webster]