a.

1. 與情況有關的；依情況而定的
   You can't convict him merely on circumstantial evidence.

   你不能僅憑間接證據判他有罪。

2. 非主要的；偶然的
3. 詳盡的，詳細的
   a circumstantial account of what happened

   對所發生之事的詳盡敘述

4. 排場大的；禮儀的

adj.

1. (of evidence or a legal case) pointing indirectly towards someone's guilt.
2. (of a description) containing full details.