IPA: /dɪˈteɪldli/
KK: /dɪˈteɪldli/
In a way that includes a lot of details or thorough information.
The report was written detailedly, covering every aspect of the project.
Detailedly → It is formed from "detail" (from Old French *detailler*, meaning to cut up or divide) and the suffix "-ly" (meaning in a manner of). The word "detailedly" means in a manner that is full of details or thoroughly explained.
Think of 'detail' as breaking something down into smaller parts, and '-ly' means in a manner. So, detailedly means explaining something thoroughly by breaking it down.