In a craggy manner; in a way that is rough, jagged, or full of rocky formations.
From 'craggy' (adjective meaning rocky/jagged) + '-ly' (adverb suffix), creating an adverb to describe how something appears or happens in a craggy way.
This is a rare adverb—it appears mainly in descriptive prose when writers want to show someone moving roughly across rocky terrain!
Complete word intelligence in one call. Free tier — 50 lookups/day.