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
The immature bunch that TNT analyst Charles Barkley loved to clown on national television for being the opposite of smart.
—Dane Mizutani, Twin Cities, 12 May 2024
Hunting dog and breed experts who weighed in said Cricket's breed is often physically immature and not fully trained to hunt for up to five years; Cricket was just 14 months old.
—Monica Potts, ABC News, 8 May 2024
The Minnesota Department of Health reports that 1 in 3 adult black-legged ticks, commonly referred to as deer or bear ticks, carry Lyme disease, while 1 in 5 immature black-legged ticks carry it.
—Marina Johnson, The Courier-Journal, 8 May 2024
An immature cicada that happens to be a couple feet underground will experience cooler temperatures than one just a few inches below the surface.
—Carl Zimmer, New York Times, 24 Apr. 2024
Tennis is, after all, not just their connection to each other but their lives, their collective obsession, the thing fueling their fame, fortune and immature follies.
—David Fear, Rolling Stone, 26 Apr. 2024
Even Stevens was never afraid to go all out for its constant string of gags and jokes, led by Shia LaBeouf as the immature prankster Louis Stevens.
—Ew Staff, EW.com, 15 Apr. 2024
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
The immature bunch that TNT analyst Charles Barkley loved to clown on national television for being the opposite of smart.
—Dane Mizutani, Twin Cities, 12 May 2024
Hunting dog and breed experts who weighed in said Cricket's breed is often physically immature and not fully trained to hunt for up to five years; Cricket was just 14 months old.
—Monica Potts, ABC News, 8 May 2024
The Minnesota Department of Health reports that 1 in 3 adult black-legged ticks, commonly referred to as deer or bear ticks, carry Lyme disease, while 1 in 5 immature black-legged ticks carry it.
—Marina Johnson, The Courier-Journal, 8 May 2024
An immature cicada that happens to be a couple feet underground will experience cooler temperatures than one just a few inches below the surface.
—Carl Zimmer, New York Times, 24 Apr. 2024
Tennis is, after all, not just their connection to each other but their lives, their collective obsession, the thing fueling their fame, fortune and immature follies.
—David Fear, Rolling Stone, 26 Apr. 2024
Even Stevens was never afraid to go all out for its constant string of gags and jokes, led by Shia LaBeouf as the immature prankster Louis Stevens.
—Ew Staff, EW.com, 15 Apr. 2024
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 28 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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