Orotund (adjective)

1. Having a full, rich, and strong sound; sonorous.
2. Having a full and distinct enunciation; pronounced clearly.
3. Having a pompous or bombastic style of speaking.

Origin:

Late 16th century (in the sense "full-toned, sonorous"): from latin orotundus, from ore "mouth" + rotundus "rounded".

Examples:

1. The orotund voice of the opera singer filled the entire theater.
2. His orotund diction made every word he spoke sound important.
3. The orotund speech of the politician was met with both applause and jeers.
4. The orotund tone of the trumpet solo was impressive.
5. Her orotund speaking style made her speeches memorable.