Dictionary

middle age

noun

: the period in a person's life from about age 40 to about age 60

Full Definition of MIDDLE AGE

:  the period of life from about 45 to about 64
mid·dle–aged \ˌmi-dəl-ˈājd\ adjective
mid·dle–ag·er \-ˈā-jər\ noun

Examples of MIDDLE AGE

  1. as our generation approaches middle age
  2. The patient was in late middle age.
  3. He feared the approach of middle age.

First Known Use of MIDDLE AGE

14th century
MIDDLE AGED Defined for Kids

middle age

noun

Definition of MIDDLE AGE for Kids

:  the period of life from about 45 to about 64 years of age
mid·dle–aged \ˌmi-dəl-ˈājd\ adjective
Medical Dictionary

middle age

noun mid·dle age \ˌmid-əl-ˈāj\

Medical Definition of MIDDLE AGE

:  the period of life from about 40 to about 60 years of age
middle–aged \ˌmid-əl-ˈājd\ adjective

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