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

Something hidden comes to the surface, not to destabilize you, but to be handled with honesty and maturity. —Valerie Mesa, PEOPLE, 1 Feb. 2026

That Ahn centers characters in their 30s, who’ve attained a certain level of maturity but still feel adrift, makes for an inherently more interesting premise. —Carlos Aguilar, Variety, 1 Feb. 2026

Table seating here is all ages, and the bar is 21-plus, but this setting requires patience and maturity from kids and teens. —Alex Erdekian, Condé Nast Traveler, 30 Jan. 2026

One sign of ecosystem maturity was Anthropic’s recent donation to the Agentic AI Foundation of the MCP protocol for connecting agents to tools and external systems. —Sylvain Duranton, Forbes.com, 30 Jan. 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