too good to be true

Idioms  

1. So excellent that it defies belief, as in She loves all her in-laws? That's too good to be true. This term expresses the skeptical view that something so seemingly fine must have something wrong with it. The term was part of the title of Thomas Lupton's Sivquila; Too Good to be True (1580).

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Example Sentences

And as the desire for sincerity increases, so does the distrust in those who seem too good to be true.

From Slate

“While investigating claims that seem too good to be true, Hunterbrook Media often discovers gems that are truly as compelling as they sound,” Chief Executive Nathaniel Horwitz wrote in a July investor letter viewed by the Journal.

From The Wall Street Journal

Is this life-changing Christmas gift from my new in-laws too good to be true?

From MarketWatch

Our first impression of Albert Schnur, Rob Reiner’s straight-talking restaurant consultant on “The Bear,” is that he seems too good to be true.

From Salon

Sometimes the folks who seem too good to be true end up proving they are truly good.

From Salon