Etymology From Middle English overpreisen, equivalent to over- + praise.
› To praise to an excessive degree.
1
To do so toward a person.
Near-synonyms: fawn, overflatter, toady; see also Thesaurus:suck up
Those who are overpraised are the worst deceivers.
1 more example
There may be a tendency in the gay press to overpraise the film. It is after all a major movie by and about gay people. […] One would think that it is what gays concerned with the media have been waiting for.1978 April 29, Michael Bronski, “Notes on a Necessary Gay Film”, in Gay Community News, page 15:
2
To do so toward a thing or idea.
Near-synonyms: overcelebrate, oversell, overvalue
He was overpraising the restaurant so much that we began to distrust the motivations behind his review.