coincidental
/kəʊˌɪnsɪˈdentəl/adjective
1
- resulting from a coincidence; done or happening by chance巧合的, 碰巧的; 偶然的：
any resemblance between their reports is purely coincidental
他们报告中的任何相似之处都纯属巧合。
it cannot be coincidental that these years were a time of important new developments.
这几年出现了新的重大发展绝非偶然。
2
- happening or existing at the same time同时发生（或存在）：
it's convenient that his plan is coincidental with the group's closure.
在集团公司停业时提出他的计划, 这正是时候。
派生词
coincidentally
adverb我们俩在同一天离职, 这真是太巧了。