formally express disapproval
reprimand - scold
If you ‘reprimand’ somebody, you rebuke and officially censure them from a position of authority for doing something wrong. The word implies a severe dressing down that can cause embarrassment for the person on the receiving end. It is most commonly used in a professional context.
I had to severely reprimand one of my students after I caught him cheating in his end of year exam.
Kevin received a formal reprimand from the boss and was warned that if he stepped out of line again he would be suspended.
The disciplinary committee reprimanded the official for a dereliction of duty after she failed to report a security breach.