malignant neoplasm malignant melanoma • malignant neoplastic disease · · · Info · Definitions · Synonyms · Characters · · malignant neoplasm · · Text Common · · Latin · · Scripts 18 · · Length 7 · · Syllables Definitions · · · (noun) a tumor that is malignant and tends to spread to other parts of the body. Synonyms: malignant tumor, malignant neoplasm, metastatic tumor. · · Noun Definition 1 Synonyms · · · malignant tumor · · Synonym 1 metastatic tumor · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 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 t latin small letter t U+0074