adjective im·memorable \(ˈ)i(m)+\

Definition of immemorable

  1. 1 :  not memorable

  2. 2 :  immemorial


\"+\ adverb

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Origin and Etymology of immemorable

Latin immemorabilis, from in- 1in- + memorabilis memorable — more at memorable

Seen and Heard

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a rounded knoll or a ridge of ice

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