を余儀なくされる|をよぎなくされる
Expresses that someone is forced by circumstances beyond their control to do something, usually something undesirable. It means "be compelled to ~" or "have no choice but to ~" and takes a noun describing the action.
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A formal, written expression common in news reports, business documents, and explanations of unavoidable outcomes such as resignations, cancellations, or plan changes. Its passive framing presents the action as imposed from outside, with the cause often named. ざるを得ない covers similar ground for oneself or others, but attaches to a verb and is usable across registers. を余儀なくされる takes a noun and keeps a stiffer, reportorial tone.
Do not attach it directly to a verb's dictionary form; use a noun instead, as in 退職を余儀なくされた.
Note that it describes undesirable, externally imposed outcomes, so it sounds odd for choices made freely or willingly.
Learners should avoid it in casual conversation, where its stiff, written tone feels out of place.
- 1.ざるを得ないN2「ざるを得ない」attaches to the negative form of verbs (する→せざるを得ない), can also express judgments such as 'having no choice but to admit,' and does not exclude cases where the person is willing. 「を余儀なくされる」attaches to nouns and takes the passive, expressing only being forced by external pressure, and mostly describes other people or organizations.
- 2.〜ないわけにはいかないN1「〜ないわけにはいかない」attaches to the negative form of verbs and is mostly used about yourself, when regard for people's feelings, moral duty, or the situation leaves you no choice but to act; its register is neutral. 「を余儀なくされる」attaches to nouns and gives a written, objective account of a result forced by outside pressure, mostly for other people or organizations.
- 3.〜ほかないN3「〜ほかない」attaches to the dictionary form of verbs and stresses 'there is no other way — this is the only option,' with a weaker sense of being forced, and it is often used about yourself. 「を余儀なくされる」attaches to nouns and uses the passive to highlight coercion from outside, mostly in objective narration.
- 4.ないではすまない / ずにはすまないN1「ないではすまない」attaches to the negative form of verbs and means that, by common sense or the pressure of the situation, not doing it would leave the matter impossible to settle; it mostly concerns duties and obligations one is expected to fulfill. 「を余儀なくされる」attaches to nouns and objectively describes a result of being pressured by external factors, so the two are generally not interchangeable.
- 5.わけにはいかないN3「わけにはいかない」attaches to verbs and expresses the speaker's judgment, based on propriety and responsibility, that something cannot be done (with the negative form, that it must be done); its register is neutral. 「を余儀なくされる」attaches to nouns and gives a written-style account of a result of being forced by external pressure, so the two are not interchangeable.
ざるを得ない and 〜ほかない attach to verbs to say there is no alternative, 〜ないわけにはいかない and ないではすまない / ずにはすまない say an action cannot be avoided given social or moral expectations or the situation, and わけにはいかない says an action cannot be done for such reasons. を余儀なくされる instead takes a noun and uses a passive, formal framing to report that outside circumstances forced the action on someone.
