余儀ない|よぎないyoginai[3]nakadaka (mid-high)

1. i-adjectiveunavoidable; inevitable; beyond one's control

• Synonym不可避ふかひWrittenWritten/formal prose: describes what is inevitable and bound to happen, as in 「衝突は不可避」. 「余儀ない」 stresses being forced by circumstances to act.
• SynonymよんどころないWrittenWritten/formal prose, usually as 「よんどころない事情」: refers to reasons that leave no choice. 「余儀ない」 typically appears as 「余儀なくされる」.
• Synonym致し方ないいたしかたないNeutralNeutral: means there is no way out and one can only accept it; more formal in tone than 「仕方ない」. 「余儀ない」 leans toward being forced to take action.
• SynonymやむないWrittenWritten/formal prose: nothing can be done and one has no choice, as in 「やむない事情」. 「余儀ない」 usually appears as 「余儀なくされる」.
• Synonym是非無いぜひないWrittenWritten/formal prose with an old-fashioned air: nothing can be done. Rare in daily use; 「余儀ない」 is more common in news writing.
• Related必至ひっしWrittenWritten/formal prose: something is certain to happen, as in 「混乱は必至」. 「余儀ない」 is about being left no choice but to act.
• Related必然的ひつぜんてきNeutralNeutral: something is bound to happen as a matter of course. 「余儀ない」 stresses being driven by circumstances, beyond one's control.
• Related回避不能かいひふのうWrittenWritten/formal prose: cannot be avoided and is sure to occur. 「余儀ない」 stresses being forced to do something.
• Antonym任意にんいNeutralNeutral: one may choose freely and may or may not do it — the opposite of the coercion implied by 「余儀ない」.
• Antonym自由じゆうNeutralNeutral: unconstrained and free to do as one pleases — the opposite of 「余儀ない」's sense of being compelled against one's will.
• Antonym自発じはつWrittenDaily use favors 「自発的」: doing something of one's own will, the opposite of being forced as with 「余儀ない」. Also means occurring naturally without will; a grammar term.

「余儀ない」 is for being forced by circumstances to do something, often in the pattern 「〜を余儀なくされる」. Use 「よんどころない」 for reasons that leave no alternative, and 「必至」 or 「不可避」 for what is certain to happen. 「任意」 and 「自由」 are the opposites.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. やむをえない。ほかに方法ほうほうがない。（「余儀よぎなくする」の形かたちで）やむを得えないかたちで〜するよう強しいる。