cardboard Cardanic • cardcase · · · Info · Definitions · Synonyms · Characters · · cardboard · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a stiff moderately thick paper. Synonyms: composition board. · · Noun Definition 1 (adj) without substance. Synonyms: unlifelike. Example: "Cardboard caricatures of historical figures." · · Adjective Definition 1 Synonyms · · · composition board · · Synonym 1 unlifelike · · Synonym 2 Characters · · 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 o latin small letter o U+006F r latin small letter r U+0072