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
Some immature stingrays and reports of mating behavior suggest the species is established in the area enough to reproduce.
—
Aspen Pflughoeft, Miami Herald, 21 May 2024
The distillery actually has some more experimental expressions that are worth trying as well, but the core bourbon (and rye) has always met the BIB requirements—at least four years old, exactly 100 proof, and produced at one distillery—so there’s never been a green, immature batch in the mix.
—Jonah Flicker, Robb Report, 15 May 2024
See all Example Sentences for immature 
Aspen Pflughoeft, Miami Herald, 21 May 2024
The distillery actually has some more experimental expressions that are worth trying as well, but the core bourbon (and rye) has always met the BIB requirements—at least four years old, exactly 100 proof, and produced at one distillery—so there’s never been a green, immature batch in the mix.
—Jonah Flicker, Robb Report, 15 May 2024
See all Example Sentences for immature
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'immature.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near immature
Cite this Entry
“Immature.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immature. Accessed 29 May. 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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