overrate

over|rate /'oʊvə^rr'eɪt/ (overrates overrating overrated)
also over-rate
[VERB] be V-ed, V n
If you say that something or someone is overrated, you mean that people have a higher opinion of them than they deserve.
More men are finding out that the joys of work have been overrated...
If you consider him a miracle man, you're overrating him.
≠ underrate
● overrated [ADJ]
Life in the wild is vastly overrated.
≠ underrated