The budget appears to be inaccurate and unrealistic.

Our experiment has revealed that his report was inaccurate.

A good theory is characterized by the fact that it makes a number of predictions that could in principle be disproved or falsified by observation.

The data is often inaccurate.

This watch keeps bad time.

This data is incorrect.

There are a number of methodological problems here, not to mention the inaccuracy of some of the results.

My English is incorrect.