sonority /səˈnɑɹɪti/ noun2 •The property of being sonorous.Another quality that bothers me is Brendel's inconsistent sonority. The treble is hard and pingy; the midrange is weighed down with a booming bass. — 1979 •Relative loudness (of a speech sound); degree of being sonorous.It can be seen that vowels have the highest sonority of all phonemes in English, with low vowels being even more sonorous than high vowels. — 2009 formssonorities