Definitions

1. adjective

having a full, rich, and resonant sound; having a deep, full, and rich quality.

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

2. noun

a sonorous sound or voice.

“The sonorous echoes of the cathedral reverberated through the streets.”

3. adverb

in a sonorous manner; with a full, rich, and resonant sound.

“She sang sonorously in the school choir.”