Meaning

• 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."

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

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

• Wordy or grandiloquent.

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