IPA: /ˈdʒʌmpɪli/
KK: /ˈdʒʌmpɪli/
In a way that shows nervousness or restlessness; moving or acting in a quick and uneven manner.
The puppy moved jumpily around the room, excited to see its owner.
Jumpily → It is formed from "jump" (from Middle English "jumpe", meaning to leap or spring) and "-ily" (a suffix meaning in a manner). The word "jumpily" means in a manner that involves jumping or leaping.
Think of the action of 'jumping' and how doing it 'in a manner' ('-ily') describes the way someone moves — that's what jumpily means.