Definition of malignant
1a obsolete : malcontent, disaffectedb : evil in nature, influence, or effect : injurious a powerful and malignant influencec : passionately and relentlessly malevolent : aggressively malicious the malignant tongues of gossipers
Examples of malignant in a sentence
a highly malignant form of cancer
a powerful and malignant influence
Recent Examples of malignant from the web
This type of behavior has been a consistent Knicks malpractice that has turned distressingly malignant during the listing team presidency of Phil Jackson.
Rylee was transported to Arnold Palmer Children's Hospital in Orlando, where doctors removed the malignant tumor, Medulloblastoma, on her brain stem, her family said.
Mr. Ford had been undergoing treatment for malignant liposarcoma, a rare form of cancer, since September 2014.
Yet researchers keep finding cancer genes in perfectly normal, healthy cells that never turn malignant.
In Ferrante’s hands, masculinity is malignant, yet not all the men of the novels are infected by it.
When an injury must be healed, or cancerous tissue that is dividing must be stopped, nearby cells transmit chemical signals that trigger the repair of injured cells or the death of malignant ones.
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Origin and Etymology of malignant
Late Latin malignant-, malignans, present participle of malignari
First Known Use: 1542
MALIGNANT Defined for English Language Learners
Definition of malignant for English Language Learners
medical : very serious and dangerous : tending or likely to grow and spread in a rapid and uncontrolled way that can cause death
: very evil
MALIGNANT Defined for Kids
Medical Definition of malignant
1: tending to produce death or deterioration malignant malaria; especially : tending to infiltrate, metastasize, and terminate fatally malignant tumors—compare benign 1
2: of unfavorable prognosis : not responding favorably to treatment psychotic reactions with a malignant trend
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