Perfect world (6)

I think it could be either:

Which length description are you looking for?:

utopia

'perfect world' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for utopia that I've seen before include "Sir Thomas Moore's perfect society" , "Perfect world?" , "Imaginary ideal place" , "More's imaginary state" , "Impracticable state of perfection" .)

I've seen this clue in the Newsday and the USA Today.

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