immature

adjective
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

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Other Words from immature

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

Synonyms & Antonyms for immature

Synonyms

Antonyms

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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 This tiny tick was identified as the immature stage of the deer tick, called Ixodes scapularis, similar to Europe’s sheep tick. Allen Steere, BostonGlobe.com, "Lyme disease: How we discovered it and where we go from here," 22 Aug. 2019 Beetles emerge from the soil after changing from their immature stage of being grub worms. Neil Sperry, ExpressNews.com, "If you want more figs, don’t prune your trees," 2 Aug. 2019 These intersex fish had a mix of female and male genitals, and some males even began laying immature eggs. National Geographic, "THE BEST OF NATIONAL GEOGRAPHIC DELIVERED TO YOUR INBOX," 6 Dec. 2019 Is that immature defiance a product of his frustration in the moment or what Harbaugh really believes? Dan Wolken, USA TODAY, "Misery Index: When is Jim Harbaugh going to get it? Michigan's issues cut deeper than losses to Ohio State," 1 Dec. 2019 Mosquitoes, mayflies and dragonflies, to name but a few, all have their immature stages in ponds or rivers. Anne Sverdrup-thygeson, WSJ, "The Bugs We Can’t Live Without," 20 June 2019 The torn look to the leaves may have to do with frost damage to yet immature leaves, not to a disease. oregonlive, "Is it natural for evergreens to drop their foliage this time of year? Ask an expert," 19 Oct. 2019 The enterprising yet immature group is made up of speedy Chuck (Josh Gad), explosive Bomb (Danny McBride) and a new team member, the bright engineering student Silver (Rachel Bloom). Katie Walsh, chicagotribune.com, "‘Angry Birds Movie 2’ review: Feathered friends, pigs must band together," 12 Aug. 2019 The enterprising yet immature group is made up of speedy Chuck (Josh Gad), explosive Bomb (Danny McBride) and a new team member, the bright engineering student Silver (Rachel Bloom). Katie Walsh, Detroit Free Press, "‘Angry Birds 2’ is chaotic, occasionally thoughtful," 12 Aug. 2019

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.

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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

Time Traveler

The first known use of immature was in 1548

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Statistics for immature

Last Updated

7 Jan 2020

Cite this Entry

“Immature.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/immature?pronunciation&lang=en_us&dir=i&file=immatu02. Accessed 17 January 2020.

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More Definitions for immature

immature

adjective
How to pronounce immature (audio) How to pronounce immature (audio)

English Language Learners Definition of immature

: not fully developed or grown
: acting in a childish way : having or showing a lack of emotional maturity

immature

adjective
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

immature

adjective
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

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Comments on immature

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