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

• 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

In Money Market Fund Yields One of the simplest ways to avoid this looming decline is to lock in higher yields now by investing in longer-maturity bonds, assuming this is a match for the investor’s risk profile. —Chris Gunster, Forbes.com, 17 Sep. 2025

His capacity to oversee the resources pipeline across Microsoft platforms, RPA/robotics, and business analysts mirrors the operational maturity found among best-of-breed consulting companies. —Nia Bowers, USA Today, 15 Sep. 2025

Anyone who’s played with or coached Jenkins is bound to mention his maturity. —Dan Hayes, New York Times, 15 Sep. 2025

The Rockies like his maturity and learning ability. OF Cole Carrig, 23, Double-A Hartford: With his speed in the outfield and on the bases, plus a strong, accurate arm, Carrig profiles as a future center fielder. —Patrick Saunders, Denver Post, 6 Sep. 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