misjudgment

US /ˌmɪsˈdʒʌdʒ.mənt/
UK /ˌmɪsˈdʒʌdʒ.mənt/
"misjudgment" picture
1.

a wrong or unfair judgment

:
His misjudgment of the situation led to serious consequences.
It was a clear misjudgment on her part.