unavoidably; inevitably; necessarily
Used to describe a situation where one has no choice but to do something, often in formal or written contexts. Frequently appears in the pattern 余儀なくされる (be forced to do) or 余儀なく...する (do something unavoidably).
See also: 余儀なくされる
Due to bad weather, the game was unavoidably canceled.
He was forced to drop out of school for financial reasons.