incapableness

Noun

uncountable

The quality or state of being incapable; incapability.

Japanese Meaning

無能である状態 / 能力の欠如

Despite repeated training, his incapableness to operate the equipment safely put everyone at risk.

何度も訓練を受けたにもかかわらず、彼が機器を安全に操作する能力の欠如が全員を危険にさらした。

Sense（1）

The quality or state of being incapable; incapability.