in detail

1. 1.

   thoroughly (including all important particulars)

   “he studied the snake in detail”

Questions about in detail

What does in detail mean?

in detail means "thoroughly (including all important particulars)".

Is in detail a common word?

in detail is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.