Crossword Genius

Primarily poor rating for movie trailer (7)

Ross

I believe the answer is:

preview

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'trailer' is the definition.
(I've seen this before)

'primarily poor rating for movie' is the wordplay.
'primarily' indicates taking the first letters.
'rating for' becomes 'revie' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'movie' becomes 'W' (W, film about George W Bush).
The initial letter of 'poor' is 'p'.
'p'+'revie'+'w'='PREVIEW'

Can you help me to learn more?

(Other definitions for preview that I've seen before include "early show" , "special showing" , "Foretaste" , "Preliminary showing" , "A showing before opening night" .)

I've seen this clue in The Hindu.
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