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

There’s a backlog of exits building in private equity portfolios, as companies held for six years or more reach maturity. —Richard Hickman, Fortune, 25 Nov. 2025

Thinkers rejected the medieval view that children were imperfect little adults moored in a transitional state between infancy and maturity that required constant Christian instruction. —Literary Hub, 24 Nov. 2025

But Tinsel Town is most effective when concentrating on Brad’s inevitable heartwarming transformation from arrogant movie star to gleeful member of the panto’s hardworking ensemble, and his newfound maturity in terms of being a loving father to his daughter. —Frank Scheck, HollywoodReporter, 24 Nov. 2025

Rivals and 247Sports analysts expected the shift since the summer, citing his age, physical maturity, and rapid developmental trajectory. —Jalon Dixon, MSNBC Newsweek, 24 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