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
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
The discussion that was unleashed based on the list [of essential rappers in Spanish published by Billboard] seemed immature on the part of some of my colleagues.
—Isabela Raygoza, Billboard, 23 Feb. 2024
Liking and sharing posts that are offensive, insensitive and hurtful was immature and disrespectful which was never my intent.
—Greg Cote, Miami Herald, 4 Apr. 2024
Animals with weakened or immature immune systems, like the goat kids in this case, are at higher risk of contracting disease, the board said.
—Michael Dorgan, Fox News, 20 Mar. 2024
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
The discussion that was unleashed based on the list [of essential rappers in Spanish published by Billboard] seemed immature on the part of some of my colleagues.
—Isabela Raygoza, Billboard, 23 Feb. 2024
Liking and sharing posts that are offensive, insensitive and hurtful was immature and disrespectful which was never my intent.
—Greg Cote, Miami Herald, 4 Apr. 2024
Animals with weakened or immature immune systems, like the goat kids in this case, are at higher risk of contracting disease, the board said.
—Michael Dorgan, Fox News, 20 Mar. 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 16 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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