from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The state or quality of being malignant.
  • n. Pathology A malignant tumor.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state of being malignant or diseased.
  • n. A malignant cancer; specifically, any neoplasm that is invasive or otherwise not benign.
  • n. That which is malign; evil, depravity, malevolence.

from The Century Dictionary and Cyclopedia

  • n. The state of being malignant, in feeling or purpose; extreme malevolence; bitter enmity; malice: as, malignancy of heart.
  • n. In English history, the state of being a malignant; adherence to the royal party in the time of Cromwell and the civil war. See malignant, n., 2.
  • n. The property of expressing malice or evil intent; malignant or threatening nature or character; unpropitiousness.
  • n. In pathology, virulence; tendency to a worse condition: as, the malignancy of a tumor.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (medicine) a malignant state; progressive and resistant to treatment and tending to cause death
  • n. quality of being disposed to evil; intense ill will


Sorry, no etymologies found.


  • Diet and nutrition are thought to play a role in the development of RCC, but the effect of specific food groups on the risk of this malignancy is controversial, explain Dr. Francesca Bravi and colleagues in the International Journal of Cancer.

    High Bread Consumption Tied to Kidney Cancer | Impact Lab

  • Not infrequently a primary neoplastic change resulting in malignancy makes the affected cells so fatally ill that they would form no tumors did not their rate of division exceed that of their death.

    Peyton Rous - Nobel Lecture

  • More recently, a fifty-three-year-old surgeon cut his left palm while removing a malignancy from a patient’s abdomen, and five months later he found himself with a palm tumor, one that genetically matched the patient’s tumor.

    Contagious cancer « Isegoria

  • Although Senator Kennedy has been battling a brain malignancy, he is expected to return to the Senate next week to preside at Mr. Daschle’s hearing, which will add poignancy to the proceeding.

    Cabinet Confirmation Hearings Start Next Week - The Caucus Blog -

  • The only reason America has lasted as long as she has, and even still has more than a few years left, is that this malignancy is at present encysted in a thick husk of sclerotic scar tissue – our permanent civil service.

    Democoup « Isegoria

  • Shope virus in vitro and reimplanted in the animals from which they had been procured, their cells, on proliferating anew, exhibited the mongrel aspect indicative of viral influence, and their malignancy was also greatly enhanced.

    Peyton Rous - Nobel Lecture

  • In that case, of course, people are not spiteful in silence, but moan; but they are not candid moans, they are malignant moans, and the malignancy is the whole point.

    Notes from the Underground

  • Most research has concentrated on the several years before women develop breast cancer, but environmental exposures during their other life stages may have a profound influence on chances of developing the malignancy, which is diagnosed in about 230,000 American women each year.

    Yahoo! News: Business - Opinion

  • In consequence of the repeal of this act, they who, on account of what was in the language of the times called malignancy, had formerly been excluded from their places in the Scottish parliament, were allowed to take possession of their seats, by signing a bond, the terms of which the parliament prescribed.

    The Works of the Rev. Hugh Binning

  • John Hayden, one of the jurymen, had been ignorant of the true meaning of the word "malignancy," and had sent out to the Court for Johnson's

    The Story of the Upper Canada Rebellion


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