Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mental age”

See all translations

mental age

noun [C usually singular] uk   us  
A person's mental age is a measurement of their ability to think when compared to the average person's ability at that age: Although Andrew is 25, he has a mental age of six.
Translations of “mental age”
in Chinese (Traditional) 智力年齡, 心理年齡…
in Chinese (Simplified) 智力年龄, 心理年龄…
(Definition of mental age from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mental age?
Add Cambridge dictionaries to your browser to your website

Word of the Day

lamb

a young sheep, or the flesh of a young sheep eaten as meat

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More