SuGoiSuす語彙すGrammar › N2 · 08 Inference and judgment
〜ようがない: there is no way to
N2 · 08 Inference and judgment
Says that doing something is impossible, because there is no means.
Verb stem + ようがない. Not because of lack of ability, but because the situation gives no method. Often with 連絡しようがない. Compare 〜わけがない (it cannot be true) and 〜ことができない (cannot).
Examples
連絡先がわからないので、彼に知らせようがない。
I don't know his contact details, so there is no way to tell him.
ここまで壊れては、もう直しようがありません。
Once it is broken this much, there is no way to fix it anymore.