neoplasm neoplasia • neoplasma · · · Info · Definitions · Synonyms · Characters · · neoplasm · · Text Latin · · Script 8 · · Length Definitions · · · (noun) an abnormal new mass of tissue that serves no purpose. Synonyms: tumor, tumour. · · Noun Definition 1 Synonyms · · · tumor · · Synonym 1 tumour · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C 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 s latin small letter s U+0073