From Wiktionary, the free dictionary
From growl + -y.
growly (comparative growlier, superlative growliest)
- Resembling the sound of a growl; throaty.
She sang the blues in a tough, growly voice.
1987, Kerry Cue, Hang On To Your Horses Doovers, page 77:The chefs are veritable whizzes at arranging food on your plate to look like happy frog faces and growly clown faces.
- Tending to growl.
- a growly old bear