faultiness

uncountable usually

The quality of being faulty.

Japanese Meaning

不完全さ、欠陥がある状態・性質

The faultiness of the prototype became apparent during the first trial, forcing the team to redesign several components.

試作品の欠陥が初回の試験で明らかになり、チームは複数の部品を再設計せざるを得なかった。

Sense（1）

The quality of being faulty.

faultinesses

（ plural ）