noun
EXAMPLES FROM CORPUS
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Here was a man who saw modern life as a foreign country: this twinkling octogenarian came across asa time-traveller.
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Hiking trails combine history and nature, and are strenuous enough, or gentle enough, for both teen-agers and octogenarians.
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Rumors were rampant that the octogenarian was senile and in poor health.
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Some 40 assemblymen are now in their nineties; almost half are octogenarians.
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The octogenarians were well respected too.
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There were six other octogenarians also in attendance and between them they had notched up 170 years service with P&O companies.