Definitions

1. adjective

having a full, rich, and resonant sound; having a deep and full voice

“The sonant voice of the opera singer filled the concert hall.”

2. noun

a word or sound that is pronounced with a full or resonant sound

“The sonant ‘o’ in ‘open’ is a key part of its pronunciation.”

3. adverb

in a sonant manner, with a full or resonant sound

“He sang the sonant melody with great feeling.”