adjective \ˌi-mə-ˈmr-ē-əl\

: very old or ancient : from a time so long ago that it cannot be remembered

Full Definition of IMMEMORIAL

:  extending or existing since beyond the reach of memory, record, or tradition <existing from time immemorial>
im·me·mo·ri·al·ly \-ē-ə-lē\ adverb

Examples of IMMEMORIAL

  1. the immemorial roots of human spirituality
  2. stories passed down from time immemorial


probably from French immémorial, from Middle French, from Medieval Latin immemorialis lacking memory, from Latin in- + memorialis memorial
First Known Use: 1602


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