i-adjective
unavoidable; inevitable; beyond one's control
Formal, often written expression for a situation in which there is no real alternative. Common in phrases such as 余儀ない事情 and related constructions like 余儀なくされる.
See also: 余儀なくされる
余儀ない事情で、会議を欠席します。
Due to unavoidable circumstances, I will be absent from the meeting.
With the typhoon approaching, cancellation of the event is unavoidable.