too good to be true

Meaning

too good to be true

(idiomatic) Appearing to be exceptionally good, and therefore arousing suspicion of illegitimacy.
He wants to give you two million dollars? That's just too good to be true!

Source: en.wiktionary.org

Synonyms

out of this world too good to last

Words in the phrase

too good to be true

Close letter words and terms

too fast too few too good for this world too good to last too green too hard basket