Definitions

1. verb

to rate or evaluate something as less valuable or effective than it actually is

“The reviewer accused the critic of underating the new novel and its author.”

2. verb

to assign a lower rating or evaluation to something

“The restaurant was underated by the food critic, but it received excellent reviews from customers.”

3. noun

the act of underating or evaluating something as less valuable or effective than it actually is

“The controversy surrounding the underating of the new movie was a major topic of discussion online.”