She had only meant to oppose the too common idea of spirit and gentleness being incompatible with each other, not at all to represent Captain Benwick’s manners as the very best that could possibly be; and, after a little hesitation, she was beginning to say, "I was not entering into any comparison of the two friends," but the Admiral interrupted her with— "And the thing is certainly true.
There are no more uses of "incompatible" in the book.
Show samples from other sources
You’re both so weird and incompatible with anyone else that you’re perfect for each other.
Laurie Halse Anderson -- The Impossible Knife of Memory
Or do you say, ’We are incompatible, these rats and I. If I am to live here, these vermin must die’?"