Formal:
* The critic delivered a scathing review of the play, criticizing its plot, acting, and direction.
* The politician's scathing remarks about the opposition party drew gasps from the audience.
* The report issued a scathing indictment of the company's unethical business practices.
Informal:
* My mom gave me a scathing lecture about staying out past curfew.
* He received a scathing email from his boss after missing the deadline.
* The comedian delivered a scathing roast of the celebrity, leaving the crowd in stitches.
Figurative:
* Her eyes were filled with scathing disappointment after he broke his promise.
* The silence after his speech was a scathing commentary on his lack of support.
Note: "Scathing" is often used to describe criticism that is extremely harsh and severe. It implies a strong sense of disapproval and can be used to emphasize the severity of the criticism.