ripe old age

ripe old age idiom
An age advanced in years, as in I expect to live to a ripe old age. The adjective ripe here means “fully developed physically and mentally,” but the current use of the idiom usually just signifies a long lifespan. [Second half of 1300s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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