malignant
5 definitions found
malignant - Collaborative International Dictionary of English v.0.48 :
Invasive \In*va"sive\, a. [LL. invasivus: cf. F. invasif. See
Invade.]
1. Tending to invade; characterized by invasion; aggressive.
"Invasive war." --Hoole.
[1913 Webster]
2. (Med.) tending to spread, especially tending to intrude
into healthy tissue; -- used mostly of tumors. [Narrower
terms: malignant] PJC]
Malignant \Ma*lig"nant\, n.
1. A man of extreme enmity or evil intentions. --Hooker.
[1913 Webster]
2. (Eng. Hist.) One of the adherents of Charles I. or Charles
II.; -- so called by the opposite party.
[1913 Webster]
malignant \ma*lig"nant\, a. [L. malignans, -antis, p. pr. of
malignare, malignari, to do or make maliciously. See
Malign, and cf. Benignant.]
1. Disposed to do harm, inflict suffering, or cause distress;
actuated by extreme malevolence or enmity; virulently
inimical; bent on evil; malicious.
[1913 Webster]
A malignant and a turbaned Turk. --Shak.
[1913 Webster]
2. Characterized or caused by evil intentions; pernicious.
"Malignant care." --Macaulay.
[1913 Webster]
Some malignant power upon my life. --Shak.
[1913 Webster]
Something deleterious and malignant as his touch.
--Hawthorne.
[1913 Webster]
3. (Med.) Tending to produce death; threatening a fatal
issue; virulent; as, malignant diphtheria.
[1913 Webster]
Malignant pustule (Med.), a very contagious disease
produced by infection of subcutaneous tissues with the
bacterium Bacillus anthracis. It is transmitted to man
from animals and is characterized by the formation, at the
point of reception of the infection, of a vesicle or
pustule which first enlarges and then breaks down into an
unhealthy ulcer. It is marked by profound exhaustion and
often fatal. The disease in animals is called charbon;
in man it is called cutaneous anthrax, and formerly was
sometimes called simply anthrax.
[1913 Webster +PJC]
malignant - WordNet (r) 2.1 (2005) :
malignant
adj 1: dangerous to health; characterized by progressive and
uncontrolled growth (especially of a tumor) [ant:
benign]
malignant - Moby Thesaurus II by Grady Ward, 1.0 :
157 Moby Thesaurus words for "malignant":
acrid, allergic, anemic, antagonistic, antipathetic, apoplectic,
arthritic, atrocious, baleful, baneful, barbaric, barbarous,
belligerent, bestial, bilious, bitchy, bitter, bloody, brutal,
brutish, cancerous, catching, caustic, chlorotic, clashing,
colicky, colliding, communicable, conflicting, consumptive,
contagious, corroding, corrosive, corrupting, corruptive,
counterproductive, cussed, damaging, deadly, death-bringing,
deathful, deathly, deleterious, despiteful, destructive,
detrimental, devilish, diabolical, disadvantageous, disserviceable,
distressing, dropsical, dyspeptic, edematous, encephalitic,
envenomed, epileptic, evil, fatal, feral, ferine, ferocious,
fiendish, fierce, full of hate, harmful, hateful, hostile, hurtful,
infectious, infective, inhuman, iniquitous, injurious, internecine,
invidious, kill-crazy, killing, laryngitic, leprous, lethal,
luetic, malarial, malefic, maleficent, malevolent, malicious,
malign, mean, measly, mephitic, merciless, miasmal, miasmatic,
miasmic, mischievous, mortal, murderous, nasty, nephritic,
neuralgic, neuritic, noisome, noncivilized, noxious, ominous,
ornery, palsied, paralytic, pernicious, pestiferous, pestilential,
phthisic, pitiless, pleuritic, pneumonic, pocky, podagric,
poisonous, prejudicial, quarrelsome, rachitic, rancorous,
repugnant, rheumatic, rickety, ruthless, sanguinary, savage,
scatheful, scorbutic, scrofulous, set against, sore, spiteful,
tabetic, tabid, tameless, toxic, toxicant, toxiferous, tubercular,
tuberculous, tumorigenic, tumorous, uncivilized, ungentle, untamed,
venenate, veneniferous, venenous, venomous, vicious, virulent,
vitriolic, wicked, wild
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