Definition of antineoplastic in English:

antineoplastic

Pronunciation /ˌantɪniːə(ʊ)ˈplastɪk/

adjective

Medicine Pharmacology
  • Of a drug or other agent, or its effects: active against neoplasms.

noun

Medicine Pharmacology
  • A drug or other agent used in the treatment of neoplastic disease.

Origin

1950s. From anti- + neoplastic.