Underrate vs Overrated - What's the difference?

As verbs the difference between underrate and overrated

is that underrate is to underestimate; to make too low a rate or estimate while overrated is (overrate).

is a price less than the value.

given an undue amount of credit for quality or merit in a field; not necessarily related to popularity.

(underrat)

to underestimate; to make too low a rate or estimate

(en noun)

A price less than the value.

to sell a thing at an underrate

* over-rated

(en adjective)

Given an undue amount of credit for quality or merit in a field; not necessarily related to popularity.

My sister is an overrated singer.

* underrated

(head)

(overrate)