immature

adjective im·ma·ture \ ˌi-mə-ˈtu̇r , -ˈtyu̇r , -ˈchu̇r \
Updated on: 6 Dec 2017

Definition of immature

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

immature

noun

immaturely

adverb

immaturity

play \ˌi-mə-ˈtu̇r-ə-tē, -ˈtyu̇r-, -ˈchu̇r-\ noun

Examples of immature in a Sentence

  1. The flock included both adult and immature birds.

  2. His teachers have complained about his immature behavior.

Recent Examples of immature from the Web

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.

Origin and Etymology of immature

Latin immaturus, from in- + maturus mature


IMMATURE Defined for English Language Learners

immature

adjective

Definition of immature for English Language Learners

  • : not fully developed or grown

  • : acting in a childish way : having or showing a lack of emotional maturity


IMMATURE Defined for Kids

immature

adjective im·ma·ture \ ˌi-mə-ˈtu̇r , -ˈtyu̇r , -ˈchu̇r \

Definition of immature for Students

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

immaturely

adverb

Medical Dictionary

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

immaturely

adverb

immaturity

\-ˈt(y)u̇r-ət-ē also -ˈchu̇r-\ noun plural immaturities


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