The definition of underrated is something that has not received the merit, recognition or praise it deserves.
A movie that is really very good but that no one really pays attention to or praises is an example of an underrated movie.
(comparative more underrated, superlative most underrated)
- Not given enough recognition for its quality
- Staying in on Friday night with a good book and a glass of brandy is underrated.
- simple past tense and past participle of underrate