Words / C1

im-uh-CHOOR/ˌɪməˈtʃʊə/

Immature means not fully developed, or childish for the person’s age: an immature crop, immature behaviour. Childish is everyday and ruder; joking does not unseal a pack.

Meaning

Not fully developed; of behaviour, childish for the person’s age.

Examples

• “Immature joking in the hall is still a pack-security breach if a seal is broken.”
• “Childish is everyday. Juvenile is a cousin. Joking is manner. A seal is a log. Keep the seal; save the joke for after the hour.”

Good to know

Not fully grown, or childish. Everyday: childish. A joke ≠ a broken seal.

Near in meaning

childish

New