Definition of poster child
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 (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.
First Known Use of poster child
POSTER CHILD Defined for English Language Learners
Definition of poster child for English Language Learners
: a child who has a particular disease and is shown in posters to raise money to help fight that disease
: a person who represents or is identified with something (such as a cause or product)
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