immature
adjective
im·ma·ture
ˌi-mə-ˈchu̇r 
-ˈtu̇r
-ˈtu̇r
-ˈtyu̇r
1
a
: 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
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
During the show’s run, Kevin was sometimes considered selfish and immature, especially when compared to some of the gentler members of the Pearson clan.
—
Toria Sheffield, People.com, 28 Oct. 2024
Adult human beings—even the callous, tone-deaf, emotionally immature ones—demonstrate an understanding of death that is remarkable in its sophistication.
—Kathryn Schulz, The New Yorker, 28 Oct. 2024
The immature or nymph stage is similar in shape but more red than adult bugs.
—Arricca Elin Sansone, Southern Living, 17 Oct. 2024
Safety and immature technology are often cited as the main reason for the slow deployment of autonomous vehicles (AV).
—Gustavo Castillo, Forbes, 9 Oct. 2024
See all Example Sentences for immature 
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Toria Sheffield, People.com, 28 Oct. 2024
Adult human beings—even the callous, tone-deaf, emotionally immature ones—demonstrate an understanding of death that is remarkable in its sophistication.
—Kathryn Schulz, The New Yorker, 28 Oct. 2024
The immature or nymph stage is similar in shape but more red than adult bugs.
—Arricca Elin Sansone, Southern Living, 17 Oct. 2024
Safety and immature technology are often cited as the main reason for the slow deployment of autonomous vehicles (AV).
—Gustavo Castillo, Forbes, 9 Oct. 2024
See all Example Sentences for immature
Dictionary Entries Near immature
Cite this Entry
“Immature.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immature. Accessed 29 Nov. 2024.
Copy CitationKids Definition
immature
adjective
im·ma·ture
ˌim-ə-ˈt(y)u̇(ə)r
2
: showing less than an expected degree of maturity
immature behavior
immaturely
adverb
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