When a dog or other animal growls, it makes a low noise in its throat, usually because it is angry. The dog was biting, growling and wagging its tail. Growl is also a noun. The bear exposed its teeth in a muffled growl
If someone growls something, they say something in a low, rough, and angry voice. His fury was so great he could hardly speak. He growled some unintelligible words at Pete `I should have killed him,' Sharpe growled. Growl is also a noun. with an angry growl of contempt for her own weakness