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

Keep scrolling for more

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

Visit the Thesaurus for More 

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 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 In Season 1, Annie struggled with her own lack of self-esteem, and challenges involving relationships with her parents, her boss, her best friend, an online troll, and a frustratingly immature boyfriend. oregonlive.com, "‘Shrill’ producer Max Handelman on growing up in Portland, and why the city is 'part of the DNA of the show’," 17 July 2019 No one besides us who wrote it and are comedy writers and are immature would think that part of it was so funny. Derek Lawrence, EW.com, "Happy 10th anniversary, Jim and Pam! An oral history of The Office wedding," 8 Oct. 2019 Going into his eighth season as the director of basketball performance, Tarp has helped turn a group of mostly young and physically immature underclassmen into the muscular core of a team many are placing in the top 10 in the country. Don Markus, baltimoresun.com, "Under the weight of top-10 expectations, Maryland men’s basketball team adds some much-needed muscle," 19 Sep. 2019 Simpson and other divers tend to this underwater nursery as gardeners mind a flower bed — slowly and painstakingly plucking off snails and fireworms that feast on immature coral. Christina Larson, San Diego Union-Tribune, "Coral gardeners bring back Jamaica’s reefs, piece by piece," 17 Sep. 2019 That was immature, but minor league stuff compared to what many veteran reporters dealt with over the years. Terry Pluto, cleveland, "Cleveland Browns: Terry’s Talkin’ about how they need to grow up," 2 Nov. 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.

See More

First Known Use of immature

1548, in the meaning defined at sense 2

History and Etymology for immature

Latin immaturus, from in- + maturus mature

Keep scrolling for more

Learn More about immature

Time Traveler for immature

Time Traveler

The first known use of immature was in 1548

See more words from the same year

Statistics for immature

Last Updated

9 Dec 2019

Cite this Entry

“Immature.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/immaturity. Accessed 10 December 2019.

Keep scrolling for more

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

Keep scrolling for more

Comments on immature

What made you want to look up immature? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to state or do over again or repeatedly

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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