amnesia

play
noun am·ne·sia \am-ˈnē-zhə\

Definition of amnesia

  1. 1 :  loss of memory due usually to brain injury, shock, fatigue, repression, or illness

  2. 2 :  a gap in one's memory

  3. 3 :  the selective overlooking or ignoring of events or acts that are not favorable or useful to one's purpose or position … Americans seemed to develop a willful forgetfulness about the nation's longest military conflict, an amnesia that lasted for nearly a decade. — Alan Brinkley

amnesiac

play \-zhē-ˌak, -zē-\ or

amnesic

play \-zik, -sik\ adjective or noun

Origin and Etymology of amnesia

New Latin, from Greek amnēsia forgetfulness, alteration of amnēstia


First Known Use: 1772


AMNESIA Defined for English Language Learners

amnesia

play
noun am·ne·sia \am-ˈnē-zhə\

Definition of amnesia for English Language Learners

  • medical : a condition in which a person is unable to remember things because of brain injury, shock, or illness


AMNESIA Defined for Kids

amnesia

play
noun am·ne·sia \am-ˈnē-zhə\

Definition of amnesia for Students

  1. :  an abnormal and usually complete loss of one's memory


Medical Dictionary

amnesia

play
noun am·ne·sia \am-ˈnē-zhə\

Medical Definition of amnesia

  1. 1:  loss of memory sometimes including the memory of personal identity due to brain injury, shock, fatigue, repression, or illness or sometimes induced by anesthesia a period of amnesia after the wreck

  2. 2:  a gap in one's memory an amnesia concerning her high-school years



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