The movie was perfect
The movie was pretty perfect.
The movie was pretty much perfect.

What's the difference?
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Comments  (Page 3) 

The translation of "pretty" is "bastante" in Spanish. We don´t normally say "bastante perfecto" because if you want to say "bastante perfecto" it means that it is better than just "bastante bien".... Why would you use "pretty perfect" instead of "pretty good"?

In Spanish we might use it in some other contexts, but it is very uncommon to use it in a sentence like the one you propose above.