Synonyms|127Antonyms|1|Broader|0Narrower|0Related|17
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dement(fanatic, dingbat)
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demon(noun, radical, freak, visionary, zealot)
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deranged person(expression, fanatic, dingbat)
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devotee(noun, radical, freak, visionary, zealot)
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die hard(noun, expression, radical, zealot, ultraconservative)
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ding-a-ling(fanatic, dingbat)
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dingbat
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diseased(adjective, ill, sick, unwell, infected)
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dogmatist
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enthusiast(noun, radical, freak, visionary, zealot)
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fiend(noun, radical, freak, visionary, zealot)
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fool(noun, radical, freak, visionary, zealot)
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freak(noun, radical, visionary, zealot, fundamentalist)
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fruitcake(fanatic, dingbat)
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fundamentalist(noun, radical, zealot)
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harebrain(fanatic, dingbat)
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hypocrite
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ill(adjective, sick, unwell, diseased, infected)
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infected(adjective, ill, sick, unwell, diseased)
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innovativeness(fanatic, dingbat)
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APASmart Define. (2015). ultraist thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ultraist/thesaurus/synonyms
ChicagoSmart Define. 2015. "ultraist thesaurus" https://smartdefine.org/ultraist/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, ultraist thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ultraist/thesaurus/synonyms>.
MLASmart Define. "ultraist thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/ultraist/thesaurus/synonyms>