Stentorian (adjective)

Very loud and powerful, like a strong and booming voice.

Origin:

From stentor, a figure in greek mythology known for his loud voice.

Examples:

1. The auctioneer's stentorian voice could be heard for blocks.
2. The stentorian shout from the coach could be heard above the din of the crowd.
3. The singer's stentorian voice filled the hall with sound.
4. The judge's stentorian voice commanded attention in the courtroom.
5. The professor's stentorian lecture style was well-known to students.