immature
/ɪməˈtjʊə(ɹ)/
Proposed by a contributor, not yet supported by evidence.
Also seen as: immatures
Sense 1
Meaning · English
Not fully formed or developed; not grown.
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Childish in behavior; juvenile.
Adjective
Examples
You're only young once, but you can be immature the rest of your life.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
Meaning · English
An immature member of a species.
Noun
Examples
There are many genera and even families of Brachypylina for which immatures are not yet known, and thus numerous examples of adult convergence and misclassification remain to be revealed: such is the case with Hypozetes.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “immature” mean?
Not fully formed or developed; not grown.
Is “immature” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.