coincidental

形容词

1. 1

   巧合的、偶然的

   The similarity between the two songs is purely coincidental.

   这两首歌的相似之处纯属巧合。

2. 2

   同时发生的正式

   The drop in sales was coincidental with the change in management.

   销售下滑与管理层更动同时发生。