Crossword Genius

Too good to be true (7)

Ross

I think it could be either:

Which length description are you looking for?:

6

7

unreal

(Other definitions for unreal that I've seen before include "fake" , "Dreamlike" , "Lacking in substance" , "Existing only in the imagination, not actual" , "Not factual" .)

I've seen this clue in the Universal.
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