- tending to produce death, as bubonic plague.
- (of a tumor) characterized by uncontrolled growth; cancerous, invasive, or metastatic.
Origin of malignant
British Dictionary definitions for semi-malignant
Word Origin for malignant
Word Origin and History for semi-malignant
1560s, in reference to diseases, from Middle French malignant and directly from Late Latin malignantem (nominative malignans) "acting from malice," present participle of malignare "injure maliciously" (see malign (v.)). Earlier in the church malignant "followers of the antichrist," from Latin ecclesiam malignantum in early Church writing, applied by Protestant writers to the Church in Rome (1540s). As an adjective, Middle English used simple malign (early 14c.). Related: Malignantly.
Medicine definitions for semi-malignant
Science definitions for semi-malignant
Culture definitions for semi-malignant
A descriptive term for things or conditions that threaten life or well-being. Malignant is the opposite of benign.