"jaggier" in the adjective sense
1. erose, jagged, jaggy, notched, toothed
having an irregularly notched or toothed margin as though gnawed
2. jagged, jaggy, scraggy
having a sharply uneven surface or outline
"the jagged outline of the crags"
"scraggy cliffs"
Source: WordNet® (An amazing lexical database of English)
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