IPA: /ˈdæmpli/
KK: /dæmpli/
In a way that is slightly wet or moist.
The ground was damply covered with morning dew.
Damply → It is formed from "damp" (from Old English *dampian*, meaning to make wet or moist) and "-ly" (a suffix meaning in a manner of). The word "damply" means in a manner that is wet or moist.
Think of being wet or moist ('damp') and how the '-ly' suffix indicates the manner of that state. This helps you remember that 'damply' describes something done in a wet manner.