Misjudgment (noun)

An incorrect or wrong judgment or decision.

Origin:

Late 16th century from mis- + judgment.

Examples:

1. Her misjudgment about the weather caused her to leave the house without an umbrella.
2. The misjudgment of the project cost led to a significant loss for the company.
3. His misjudgment of the situation led to a miscommunication between the two parties.
4. The judge's misjudgment in the case was later overturned by a higher court.
5. Her misjudgment in choosing her investment strategy resulted in a financial loss.