Stentorian means very loud and powerful, like a big voice.
Stentorian can make people think of authority, power, or being too loud.
Examples:
The stentorian voice filled the whole room.
She has a stentorian way of speaking.
The stentorian sound echoed through the mountains.
The stentorian music made my ears hurt.
His stentorian snoring could be heard from the other room.
The stentorian roar of the lion scared me.