IPA: /ˈdʒæɡɪdnəs/
KK: /ˈdʒæɡɪdnəs/
The quality or condition of having sharp, uneven edges or points.
The jaggedness of the mountain range made it difficult to climb.
Jaggedness → It is formed from "jagged" (from Middle English *jagged*, meaning having sharp projections) and "-ness" (meaning the state or quality of). The word "jaggedness" refers to the quality of being jagged or having sharp, uneven edges.
Think of something that has sharp projections or uneven edges ('jagged') — and the '-ness' indicates the state of having those qualities.