There are adjectives that are synonymous with deviating, but I'm wondering if there are synonyms for the compound adjective "far-deviating", which can be useful to express certain ideas. It's not often used, but I feel there's something here that could be useful in everyday speech.
His intelligence was extremely high. In fact, it was far-deviating from the average of his age group.
She was deeply deranged. Her derangement was far-deviating from the norm, so that they decided to seclude her from other patients.