IPA: /ˈseɪkrɪdli/
KK: /ˈseɪkrɪdli/
In a way that is considered holy or deserving of respect and reverence.
The ancient rituals were performed sacredly, honoring the traditions of their ancestors.
Sacredly → It is formed from "sacred" (from Latin "sacradus", meaning holy or consecrated) and "-ly" (meaning in a manner of). The word "sacredly" means in a manner that is holy or consecrated.
Think of something being treated as "holy" or "consecrated" when done "in a manner of" respect — that's what sacredly means.