adjective sep·tu·agenary \¦septəwə¦jenərē, -pchəw-, -¦jēn-; -¦wajəˌnerē\

Definition of septuagenary

  1. 1 :  based on the number 70

  2. 2 :  70 or between 70 and 80 years old

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Origin and Etymology of septuagenary

Latin septuagenarius, from septuageni seventy each (from septuaginta seventy) + -arius -ary

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feeling or affected by lethargy

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