growlier
/ˈɡraʊliər/
adjective
- Comparative form of growly: more inclined to growl or more characteristic of a growl; more irritable or rough-sounding.
- This engine sounds growlier than the one in the other car.
- The older dog is growlier than the puppy, especially around food.
- His voice became growlier as he lost his patience.