mental age

noun

Definition of mental age 

: a measure used in psychological testing that expresses an individual's mental attainment in terms of the number of years it takes an average child to reach the same level

Examples of mental age in a Sentence

a 40-year-old man with the mental age of 10

Recent Examples on the Web

Also, size doesn’t always determine mental age or special needs. Lisa Gutierrez, Detroit Free Press, "Should teens go trick-or-treating? Facebook post reignites the Halloween debate," 30 Oct. 2017 Adolescents and young adults with severe autism may still have the mental age of a child, and short-term care to stabilize those in crisis who are nonverbal or combative is practically nonexistent. Christina Jewett, CNN, "Families of young people with autism struggle with mental health needs," 23 Oct. 2017 Also, size doesn’t always determine mental age or special needs. Lisa Gutierrez, Detroit Free Press, "Should teens go trick-or-treating? Facebook post reignites the Halloween debate," 30 Oct. 2017 Adolescents and young adults with severe autism may still have the mental age of a child, and short-term care to stabilize those in crisis who are nonverbal or combative is practically nonexistent. Christina Jewett, CNN, "Families of young people with autism struggle with mental health needs," 23 Oct. 2017 Also, size doesn’t always determine mental age or special needs. Lisa Gutierrez, Detroit Free Press, "Should teens go trick-or-treating? Facebook post reignites the Halloween debate," 30 Oct. 2017 Size doesn’t always determine mental age or special needs. Noel Harris, sacbee, "‘Aren’t you too old’: Why trick-or-treating teenagers shouldn’t be shamed," 30 Oct. 2017 Adolescents and young adults with severe autism may still have the mental age of a child, and short-term care to stabilize those in crisis who are nonverbal or combative is practically nonexistent. Christina Jewett, CNN, "Families of young people with autism struggle with mental health needs," 23 Oct. 2017 Adolescents and young adults with severe autism may still have the mental age of a child, and short-term care to stabilize those in crisis who are nonverbal or combative is practically nonexistent. Christina Jewett, CNN, "Families of young people with autism struggle with mental health needs," 23 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mental age.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mental age

1910, in the meaning defined above

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The first known use of mental age was in 1910

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More Definitions for mental age

mental age

noun

English Language Learners Definition of mental age

: a measurement of a person's ability to think and understand that is expressed as the age at which an average person reaches the same level of ability

mental age

noun

Medical Definition of mental age 

: a measure used in psychological testing that expresses an individual's mental attainment in terms of the number of years it takes an average child to reach the same level

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Britannica.com: Encyclopedia article about mental age

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