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

The certification marks another step in CFM’s broader effort to enhance the maturity and operational efficiency of its latest-generation engines. — Bojan Stojkovski, Interesting Engineering, 19 July 2026

In the end, a polished, professional presentation and an easy-to-use digital portal can help build trust with clients and show a level of maturity that can set a business above a crowded market. — K.h. Koehler, USA Today, 17 July 2026

While wealthier Americans inheriting businesses align with the economic trends of wealth concentration and longer maturity of private firms, Parker noted other factors could be informing this pattern. — Sasha Rogelberg, Fortune, 15 July 2026

Nolan felt the actor, who is now 30 but often gets cast as much younger characters, brought the mixture of innocence and maturity required for someone who grows emotionally from a boy to a man over the course of the story. — Bilge Ebiri, Vulture, 14 July 2026

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