sonorous

adjective

1. 1

   Capable of giving out a deep, resonant sound.

   “The highlight of the hike was the sonorous cave, which produced a ringing echo from the hiker’s shouts.”

2. 2

   Full of sound and rich, as in language or verse.

   “He was selected to give the opening speech thanks to his imposing, sonorous voice.”

3. 3

   Wordy or grandiloquent.

4. 4

   Produced with a relatively open vocal tract and relatively little obstruction of airflow.