monomaniac

noun
mono·​ma·​ni·​ac | \ -nē-ˌak How to pronounce monomaniac (audio) \

Medical Definition of monomaniac

: an individual affected by monomania

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“Monomaniac.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/monomaniac. Accessed 2 Dec. 2020.

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