けつだん決断ketsudan
1.

The act of making a firm choice regarding a course of action without wavering, often in the face of uncertainty or pressure.

2.

The process of discerning right from wrong and making a judgment about a situation, typically involving moral or ethical considerations.

Example:

決断の日は近い。

ふけつだん不決断fuketsudan
1.

The state of being unable to make a decision, often characterized by uncertainty and hesitation in choosing between options.

2.

A tendency to delay or avoid making choices, leading to a lack of progress or direction.

3.

The experience of fluctuating thoughts or feelings about a decision, causing one to waver frequently in their judgment.

けつだんりょく決断力ketsudanryoku
1.

The ability to make clear and resolute decisions, often in the face of uncertainty or pressure.

2.

A characteristic that reflects one's capacity to swiftly evaluate situations and arrive at a conclusion without hesitation.

Example:

彼は決断力に欠けている。