The quality or condition of being fetid; extreme foulness of smell.
From Latin 'foetidus' (stinking) plus the English suffix '-ness' (state or quality). This noun form offers an alternative to 'fetidity' using more common English morphology.
English offers multiple ways to express the same concept—fetidity vs. fetidness—showing how our language provides redundancy. Medieval physicians actually measured disease severity partly by the 'fetidness' of bodily humors!
Complete word intelligence in one call. Free tier — 50 lookups/day.