Sometimes it appeared to them as if his silence would be the natural result of the suspected engagement, and at others that it was wholly incompatible with it.
Though his looks did not please her, his name was a passport to her goodwill, and she thought with sincere compassion of his approaching disappointment; for, in spite of what she had believed herself to overhear in the pump-room, his behaviour was so incompatible with a knowledge of Isabella’s engagement that she could not, upon reflection, imagine him aware of it.
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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’?"