Grizzle/ˈɡrɪzl/ Definition 1 of 4Pro Tip 1/2Age Indication Used to describe hair, indicating a mix of age and experience often with a dignified connotation. His grizzle beard gave him a wise appearance. Pro Tip 2/2Natural Patterns Can describe animals or objects with a natural pattern of gray mixed with other colors. The grizzle pattern on the dog's coat was beautiful.