Explanation
Expresses 'it's impossible to do something'.
Formation
Verb-ます stem + ようもない
Detailed explanation
～ようもない typically attaches to the verb's ます-stem, adding ようもない to indicate that there is 'no way' or 'no method' to perform the action. It’s the same nuance as 'Verbようがない' in many references.
Examples
この問題は解きようもない。
Kono mondai wa toki you mo nai.
It's impossible to solve this problem.
これ以上我慢しようもない。
Kore ijou gaman shiyou mo nai.
It's impossible to endure any further.
彼には通じようもない。
Kare ni wa tsuujiyou mo nai.
There's no way to get through to him.
その薬は飲みようもない。
Sono kusuri wa nomiyou mo nai.
It's impossible to take (swallow) that medicine.
Practice
Grammar content sourced from hanabira.org.