Reproof (noun)

An expression of disapproval or criticism; a reprimand.

Origin:

From old french reprove (meaning 'to reprove, blame') + -f (a noun-forming suffix).

Examples:

1. The teacher's reproof was enough to make the misbehaving student feel ashamed.
2. The manager's reproof was a wake-up call for the underperforming team, who then worked harder to improve.
3. The athlete's reproof by the coach led to a change in attitude and improved performance on the field.
4. Her reproof of her friend's behavior was delivered in a calm and matter-of-fact tone.
5. The father's reproof was harsh, but his daughter knew he only wanted the best for her.