composition board compositionally • composition carver · · · Info · Definitions · Synonyms · Characters · · composition board · · Text Common · · Latin · · Scripts 17 · · Length 5 · · Syllables Definitions · · · (noun) a stiff moderately thick paper. Synonyms: cardboard, composition board. · · Noun Definition 1 Synonyms · · · cardboard · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E 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