"accurate enough" is a perfectly acceptable phrase in written English. You can use it when you want to indicate that a particular result or piece of information is close to what you were expecting, but not exact. For example, "This estimate is accurate enough for our purposes.".
It's not accurate enough".
Is he accurate enough?
This editorial commentary is accurate enough.
And I think it's accurate enough.
Except these references are accurate enough.
Romney's figures are accurate enough, but they badly need parsing.
Perhaps not, but they were accurate enough to raise some shocked expressions from the crowd.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia