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

Whatever the opposite of smart business is, the WNBA is the poster child. — Patricia Babcock McGraw Outkick, FOXNews.com, 27 Oct. 2026

Awash in 10-foot-high floodwaters, this area became the disaster’s unwitting poster child, its destruction still strewn about 21 years later. — Nina Corcoran, Pitchfork, 21 Oct. 2026

CoreWeave was the poster child of last week's declines, plunging more than 25%. — Fred Imbert, CNBC, 19 Oct. 2026

CoreWeave is the poster child for AI debt, and as of its second quarter earnings, owed more than $35 billion. — Elizabeth Lopatto, The Verge, 19 Oct. 2026

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