poster child poster boy • poster color · · · Info · Definitions · Characters · · poster child · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a child afflicted by some disease or deformity whose picture is used on posters to raise money for charitable purposes. Synonyms: poster child. Example: "She was the poster child for muscular dystrophy." · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074