Was heißt »unzutreffend« auf Englisch?

Das Adjektiv »unzutreffend« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Fast alle seine Voraussagen waren unzutreffend.: Almost all of his predictions were wrong.

The English is a bit old-fashioned and stilted, but not incorrect. I'll add the suggested version as an alternative translation to the Japanese sentence.
The doctor had made an incorrect diagnosis.
The doctor made an incorrect diagnosis.
That may be incorrect.
This translation is incorrect.
This translation is incorrect and misleading.
Tom and Mary are incorrect.
Tom and Mary told John that they thought Alice was incorrect.
Mary told Tom that she thought John was incorrect.
"Either his whole theory is incorrect," I thought to myself, "or else he will be led now to the heart of the mystery."
Tom was incorrect.
I wonder if Tom is incorrect.
This sentence is grammatically incorrect.
I think what Tom said is incorrect.
Was my sentence incorrect? Or inelegant? Or both? Or neither one nor the other?
I have attempted to create a good essay which utilizes my Japanese, but my professor said that much of it was incorrect and that I have to do it all over again.
This sentence is incorrect.
Copernicus felt that Ptolemy's theory was incorrect. Sometime between 1507 and 1515, he first circulated the principles of his heliocentric or Sun-centered astronomy.
Either your user name or password is incorrect.
Don't forget to add the tag "@change" to incorrect sentences.