Synonyms of maturity
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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Bond insurance does not protect you from losses due to interest rate increases; the insurance protects you from losses due to the inability of the company that issued the bond to pay interest due as well as principal repayment at maturity. Elliot Raphaelson, The Orlando Sentinel, 15 Aug. 2026 Wrzesniewsky said the firm prefers the middle maturities over the 30-year bond. Greg Ritchie, Fortune, 14 Aug. 2026 His maturity enabled him to evolve into a respected player in the locker room. Jordan McPherson, Miami Herald, 14 Aug. 2026 DeWitt, speaking to media following the arraignment, emphasized her client’s age and maturity level while leaving open the possibility of an insanity defense — but didn’t want to call it that or commit to it. Flint McColgan, Boston Herald, 13 Aug. 2026 See All Example Sentences for maturity

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of maturity was in the 15th century

Browse Nearby Words

Cite this Entry

“Maturity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/maturity. Accessed 17 Aug. 2026.

Kids Definition

maturity

noun
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

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

More from Merriam-Webster on maturity

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!