maturity

noun

ma·​tu·​ri·​ty mə-ˈchu̇r-ə-tē 

-ˈchər-

also

-ˈtu̇r- 

-ˈtyu̇r-

1

: the quality or state of being mature

especially : full development

the maturity of grain

maturity of judgment

lacks the wisdom and maturity needed to run the company

2

: termination of the period that an obligation (see obligation sense 2c) has to run

Synonyms of maturity

• adulthood

Examples of maturity in a Sentence

His behavior shows a lack of maturity.

He reached emotional maturity late in his life.

the maturity level of a child

The bond will reach maturity in 10 years.

Maturities on these bonds can be as long as 10 years.

Recent Examples on the Web

Clearly this professor lacks the intellectual maturity to set her own bias aside and take grading seriously. —Marni Rose McFall, MSNBC Newsweek, 2 Dec. 2025

Yarbo reflects this maturity by integrating multiple sensing technologies—including RTK-GPS, IMU, ODOM sensors, and dual antennas—to ensure accurate positioning and operation even when signal strength is weak. —New Atlas, 2 Dec. 2025

Both in their fifties, Vivian and Malcolm bring wit, warmth and a refreshing maturity to a romance that reads like a modern fairytale. —Lizz Schumer, PEOPLE, 30 Nov. 2025

McAlister talked about maturity and leadership as his major areas of growth off the field. —Lawrence Dow, Fort Worth Star-Telegram, 29 Nov. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for maturity

• impurity
• obscurity
• security
• biosecurity
• cybersecurity
• immaturity
• insecurity
• prematurity
• purity
• surety

Kids Definition

maturity

noun

ma·​tu·​ri·​ty mə-ˈt(y)u̇r-ət-ē 

1

: the quality or state of being mature

especially : full development

2

: the date when a note becomes due

Medical Definition

maturity

noun

ma·​tu·​ri·​ty

mə-ˈt(y)u̇r-ət-ē also -ˈchu̇r-

plural maturities

: the quality or state of being mature

especially : full development

Legal Definition

maturity

noun

ma·​tu·​ri·​ty mə-ˈtu̇r-ə-tē, -ˈchu̇r- 

: termination of the period that a note or other obligation has to run : state or condition of having become due