childish

adjective/ˈtʃaɪldɪʃ/

Frequency rank: #5,804 most common English word

Meaning

Behaving in a way that is immature or typical of a young child.

Illustration for the English word “childish”

Example sentence

It was childish of him to throw a tantrum just because he lost the game.

Synonyms & related words

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