IPA: /prɪˈpɛrdədli/
KK: /prɪˈpɛrdədli/
In a way that shows readiness or preparation.
She approached the interview preparedly, having practiced her answers beforehand.
Preparedly → It is formed from "prepared" (from Latin "praeparare", meaning to make ready) and "-ly" (a suffix meaning in a manner of). The word "preparedly" means in a manner that is ready or done with preparation.
Think of being 'ready' ('prepared') and doing something 'in that manner' ('-ly'). This helps you remember that 'preparedly' means doing something in a ready way.