poster child

noun

1

: a child who has a disease and is pictured in posters to solicit funds for combating the disease

2

: a person having a public image that is identified with something (such as a cause)

Examples of poster child in a Sentence

She was a stirring speaker and activist and soon became the poster child of the antiwar movement.

Recent Examples on the Web

And of course the poster child for kind of what's structurally going right is the boom in AI and technology more broadly. —Hugh Cameron, MSNBC Newsweek, 2 Sep. 2025

Personal experiences, at places like Glacier—which is the national park poster child for climate change as its namesake glaciers are melting—can catalyze new behaviors toward conservation. —Cassidy Randall, Forbes.com, 29 Aug. 2025

For decades, the Maldives has been the poster child for Indian Ocean escapism. —Chris Schalkx, Robb Report, 28 Aug. 2025

With three degrees to his name, Lewensztain is seemingly a poster child for higher education. —Sheryl Estrada, Fortune, 22 Aug. 2025

Word History

First Known Use

1938, in the meaning defined at sense 1

Rhymes for poster child

• domiciled
• reconciled
• undefiled
• beguiled
• brainchild
• compiled
• defiled
• exiled
• grandchild
• profiled
• refiled
• reviled