amnesiac

noun
am·​ne·​si·​ac | \ -z(h)ē-ˌak How to pronounce amnesiac (audio) \
variants: also amnesic \ -​zik How to pronounce amnesic (audio) , -​sik How to pronounce amnesic (audio) \

Medical Definition of amnesiac

: a person affected with amnesia

More from Merriam-Webster on amnesiac

Spanish Central: Translation of amnesiac

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a strong desire or propensity

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