unendurableness

uncountable

The state or condition of being unendurable.

Japanese Meaning

耐えがたい状態 / 我慢できない状態 / 耐え難さ

She described the unendurableness of the heat during the desert crossing, saying it tested everyone's resolve.

彼女は砂漠横断中の暑さの耐え難さについて語り、それが皆の決意を試したと言った。

Sense（1）

The state or condition of being unendurable.