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Definitions

malignant

[muh-lig-nuhnt] / məˈlɪg nənt /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Glioblastoma is the most common malignant brain tumor in adults.

From BBC • May 13, 2026

Physicians recognized this cell-killing property as a potential weapon against malignant growth.

From The Wall Street Journal • Apr. 24, 2026

After a week getting steroids and pain medicine at Providence St. John’s Medical Center in Santa Monica, he received the biopsy results: an extremely aggressive malignant mass was blocking blood flow to Duong’s optic nerve.

From Los Angeles Times • Mar. 30, 2026

So everything he is doing now is about legacy, and with a malignant narcissist who knows that he may not be long for this earth, the danger that comes with those realizations is acute.

From Salon • Mar. 29, 2026

To Franklin, Lee was “jealous, suspicious, malignant, and quarrelsome.”

From "George Washington, Spymaster" by Thomas B. Allen




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