im·​me·​mo·​ri·​al | \ˌi-mə-ˈmȯr-ē-əl \

Definition of immemorial 

: extending or existing since beyond the reach of memory, record, or tradition existing from time immemorial

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Other Words from immemorial

immemorially \ ˌi-​mə-​ˈmȯr-​ē-​ə-​lē \ adverb

Synonyms & Antonyms for immemorial


age-old, aged, ancient, antediluvian, antique, dateless, hoar, hoary, old, venerable


modern, new, recent

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Examples of immemorial in a Sentence

the immemorial roots of human spirituality stories passed down from time immemorial

Recent Examples on the Web

The chapters, named after months in the Ethiopian calendar and suffused with an awe for the landscape, direct our attention to the immemorial, recurring rhythms of earth and sky: of rain, sowing and harvest, of weddings, births and funerals. Gaiutra Bahadur, New York Times, "She Didn’t Know How to Read, but Her Stories Captured History," 10 May 2018 The welfare state, properly understood by Friedrich Hayek and others, is an effort to continue in modern conditions the immemorial practice of taking care of those who are poor, disabled, or in distress. Christopher Demuth Sr., National Review, "Repairing Our Fractured Politics," 11 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'immemorial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of immemorial

1602, in the meaning defined above

History and Etymology for immemorial

probably from French immémorial, from Middle French, from Medieval Latin immemorialis lacking memory, from Latin in- + memorialis memorial

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Time Traveler for immemorial

The first known use of immemorial was in 1602

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English Language Learners Definition of immemorial

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

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Comments on immemorial

What made you want to look up immemorial? Please tell us where you read or heard it (including the quote, if possible).


obstinately defiant of authority

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