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amnesiac

[ am-nee-zhee-ak, -zee- ]
/ æmˈni ʒiˌæk, -zi- /
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noun
a person affected by amnesia.
adjective
Also am·ne·sic [am-nee-sik, -zik]. /æmˈni sɪk, -zɪk/. displaying the symptoms of amnesia.
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Origin of amnesiac

1910–15; amnesi(a) + -ac, after such pairs as mania, maniac
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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