IPA: /ˈdʒæɡɪdli/
KK: /ˈdʒæɡɪdli/
In a way that has sharp, uneven edges or points.
The mountain range rose jaggedly against the sky.
Jaggedly → It is formed from "jagged" (from Middle English *jagged*, meaning having sharp projections) and the suffix "-ly" (meaning in a manner of). The word "jaggedly" means in a manner that is rough or uneven with sharp edges.
Think of something that has sharp projections or edges ('jagged') and how it behaves 'in a manner of' ('-ly'). This helps you remember that 'jaggedly' describes something that is uneven or sharp.