Thesaurus.com
Dictionary.com
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.

In a post on X on Friday, Netanyahu said that during routine medical monitoring following successful surgery for an enlarged benign prostate, doctors found an early-stage malignant tumour.

From BBC • Apr. 24, 2026

CAR-T therapy engineers a patient’s own T cells to target and destroy malignant cells, while checkpoint inhibitors remove the immune system’s brakes that tumors use to evade attack.

From The Wall Street Journal • Apr. 19, 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

Mary Shelley’s 1818 novel has Dr. Frankenstein bicker with his creature about her potential existence before deciding against it in fear that “she might become ten thousand times more malignant than her mate.”

From Los Angeles Times • Mar. 4, 2026

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

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




Vocabulary lists containing malignant