Simple past tense and past participle of fanaticize.(verb)
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Use "fanaticized" in a sentence
"Since he was in high school, he said, he had fanaticized about tying up women and torturing them."
"This first crafting experience will never live up to the way it was fanaticized about."
"So you have a Republican Party that is splintered and fanaticized and a Democratic Party that is really a moderate Republican Party stuck to the teat of Corporate America and unwilling to let go."