Dogs and cats filled the animal shelter and the noise they made as incredibly loud what is one adjective in this sentence

Incredibly, I think this would be the word beach you would think " oh loud!" but then later in class its incredibly.

Dogs have been considered man’s best friend for decades! most likely because of their kind and loyal nature. they make splendid companions. their loyalty is beyond compare and after all, a dog is the only thing on earth that loves you more than he loves himself! dogs see us as their friends and leaders, they’ll do anything in their power to ensure your comfort and safety.