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Definitions

immature

[im-uh-choor, -toor, -tyoor, -chur] / ˈɪm əˈtʃʊər, -ˈtʊər, -ˈtyʊər, -ˈtʃɜr /


Example Sentences

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Bernstein urged the Boston Symphony to name the 24-year-old Tilson Thomas its principal conductor but the musicians resisted, , believing he was too immature.

From Los Angeles Times • Apr. 23, 2026

Parvovirus, also known as slapped cheek syndrome, is usually harmless to children but Arthur was extremely unwell because of his immature immune system.

From BBC • Apr. 21, 2026

"At the time, the prevailing consensus was that the Nanotyrannus holotype skull represented an immature Tyrannosaurus rex, and was not a separate species," said Griffin, assistant professor of geosciences at Princeton.

From Science Daily • Apr. 15, 2026

The Army itself advises soldiers to “maintain the high ground,” and research shows that rapid-fire calls made under pressure by the morally immature lead to disaster.

From Slate • Apr. 13, 2026

Who cares what Mom thinks, when she’s immature enough to keep a last name she hates just to maintain an imaginary war with Serena?

From "Starfish" by Akemi Dawn Bowman




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