im·​ma·​ture | \ ˌi-mə-ˈtu̇r How to pronounce immature (audio) , -ˈtyu̇r, -ˈchu̇r How to pronounce immature (audio) \

Definition of immature

1a : exhibiting less than an expected degree of maturity emotionally immature adults
b : lacking complete growth, differentiation, or development immature fruits a sexually immature bird
c : having the potential capacity to attain a definitive form or state : crude, unfinished a vigorous but immature school of art
2 archaic : premature

Other Words from immature

immature noun
immaturely adverb
immaturity \ ˌi-​mə-​ˈtu̇r-​ə-​tē How to pronounce immature (audio) , -​ˈtyu̇r-​ , -​ˈchu̇r-​ \ noun

Synonyms & Antonyms for immature



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Examples of immature in a Sentence

The flock included both adult and immature birds. His teachers have complained about his immature behavior.
Recent Examples on the Web Despite your insight, your behavior reflects an immature response to the stress in your life. Amy Dickinson, Detroit Free Press, 7 July 2022 Many immature companies were being rushed to the public market with little more than an idea and a sales pitch. Jon Markman, Forbes, 6 July 2022 Disappointment awaits some of the rafts’ captains who arrive to find their logs are too skinny and immature for purchase. New York Times, 14 June 2022 Mayfield has come across as immature before, and this is more fuel to that negative fire. Terry Pluto, cleveland, 1 May 2022 Privileged, immature, impulsive, brain-in-their-pants Anthonys are everywhere. Holly Thomas, CNN, 25 Mar. 2022 After a weekend where three people were shot and killed and another 18 were injured, Baltimore Mayor Brandon Scott and Police Commissioner Michael Harrison called on would-be shooters to quit being immature cowards. Jessica Anderson, Baltimore Sun, 27 June 2022 Opening a store seems like a solid enough plan in the abstract, although these characters — impulsive, immature and all-around irresponsible — could almost certainly be counted on to screw it up. Peter Debruge, Variety, 25 May 2022 Plan for watering new trees and other plants Because their root systems are immature, trees and shrubs need extra watering for their first two to three years. Beth Botts, Chicago Tribune, 28 May 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'immature.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of immature

1548, in the meaning defined at sense 2

History and Etymology for immature

Latin immaturus, from in- + maturus mature

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Time Traveler for immature

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The first known use of immature was in 1548

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Statistics for immature

Last Updated

20 Jul 2022

Cite this Entry

“Immature.” Dictionary, Merriam-Webster, Accessed 15 Aug. 2022.

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More Definitions for immature


im·​ma·​ture | \ ˌi-mə-ˈtu̇r How to pronounce immature (audio) , -ˈtyu̇r, -ˈchu̇r \

Kids Definition of immature

1 : not yet fully grown or ripe an immature bird immature fruit
2 : acting in or exhibiting a childish manner an immature teenager immature behavior

Other Words from immature

immaturely adverb


im·​ma·​ture | \ ˌim-ə-ˈt(y)u̇(ə)r also -ˈchu̇(ə)r \

Medical Definition of immature

: lacking complete growth, differentiation, or development immature blood cells emotionally immature

Other Words from immature

immaturely adverb
immaturity \ -​ˈt(y)u̇r-​ət-​ē also -​ˈchu̇r-​ \ noun, plural immaturities

More from Merriam-Webster on immature

Nglish: Translation of immature for Spanish Speakers

Britannica English: Translation of immature for Arabic Speakers


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