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

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-​ˈchu̇r-​ə-​tē How to pronounce immature (audio) , -​ˈtu̇r-​ , -​ˈtyu̇r-​ \ 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 Pointing fingers or passing the blame comes across as immature or inexperienced. Expert Panel®, Forbes, 8 Aug. 2022 Adults 21 and older would be permitted to possess and purchase up to one ounce of marijuana and grow up to six mature and six immature cannabis plants at home. A.j. Herrington, Forbes, 26 Aug. 2022 But the girl was found to be too immature to decide the fate of her unborn child after failing to adequately articulate her request. Landon Mion, Fox News, 17 Aug. 2022 Numerous photos posted to Suters’ social media pages indicate there is a far greater number of marijuana plants than Vermont’s permitted two mature plants or four immature plants that private citizens can own. Cheyenne Roundtree, Rolling Stone, 23 June 2022 In a high-stakes evolutionary gambit, female mammals are born with a finite supply of immature eggs. Megan Molteni, STAT, 23 July 2022 The more immature the flower, the longer the plant should last. Jeff Lowenfels, Anchorage Daily News, 25 Nov. 2021 Amazon was trying to build a service capable of understanding language spoken from across a noisy room, using a relatively immature technology called far-field speech recognition. Brad Stone, Wired, 11 May 2021 Despite your insight, your behavior reflects an immature response to the stress in your life. Amy Dickinson, Detroit Free Press, 7 July 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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Last Updated

30 Sep 2022

Cite this Entry

“Immature.” Dictionary, Merriam-Webster, Accessed 2 Oct. 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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