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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.

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

“The more he stretches the truth in the name of the sale, the more desperate he becomes. Once inside our living room, however, he is far more malignant than any of that.”

From Slate • Feb. 25, 2026

Ltd, a faculty startup from KAIST, is developing a new RNA-based drug designed to slow or stop the progression and recurrence of IDH-mutant malignant brain tumors.

From Science Daily • Jan. 28, 2026

When it came to growing viruses—as with many other things —the fact that HeLa was malignant just made it more useful.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot




Vocabulary lists containing malignant