middle age

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noun
  1. the period of human life between youth and old age, sometimes considered as the years between 45 and 65 or thereabout.

Origin of middle age

1
Middle English word dating back to 1350–1400

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How to use middle age in a sentence

British Dictionary definitions for middle age

middle age

noun
  1. the period of life between youth and old age, usually (in man) considered to occur approximately between the ages of 40 and 60

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012