WordNet sense 1 (having an irregularly notched or toothed margin as though gnawed):

toothed, erose, jaggy, notched

WordNet sense 2 (of the margin of a leaf shape; having the edge cut or fringed or scalloped):

rough

WordNet sense 3 (having a sharply uneven surface or outline):

scraggy

WordNet sense 4 (not even or uniform as e.g. in shape or texture):

uneven