動詞 malign:

1. speak unfavorably about
   同義詞：badmouth, traduce, drag through the mud

形容詞 malign:

1. evil or harmful in nature or influence
2. having or exerting a malignant influence
   同義詞：malefic, malevolent, evil

1. The honesty man was maligned by them.
   那個老實人被他們中傷了。
2. She likes to malign innocent persons.
   她愛詆毀那些清白的人。
3. A malign tumour was found in his stomach.
   在他的胃部發(fā)現(xiàn)了一個惡性腫瘤。　

ma.lign

v.tr.（及物動詞）
ma.ligned,ma.lign.ing,ma.ligns
To make evil, harmful, and often untrue statements about; speak evil of.
污蔑，中傷：對…說壞的、傷害性的、和常常是不真實的言論；說…的壞話
adj.（形容詞）
Evil in disposition, nature, or intent.
惡毒的，邪惡的：性情、本質或動機上邪惡的
Evil in influence; injurious.
有害的：具不良影響的；有害的
Having or showing malice or ill will; malevolent.
惡意的：具有或表現(xiàn)出惡意或不良愿望的；含有惡意的

來源：
Middle English malignen [to attack]
中古英語 malignen [攻擊]
from Old French malignier
源自 古法語 malignier
from Late Latin malign3ro
源自 后期拉丁語 malign3ro
from Latin malignus [malign] * see gen…-
源自 拉丁語 malignus [惡的] *參見 gen…-
Adj., from Middle English
形容詞，源自 中古英語
from Old French
源自 古法語
from Latin malignus
源自 拉丁語 malignus

【引伸】
malign.er
n.（名詞）
malign.ly
adv.（副詞）
<參考詞匯><同義詞>malign,defame,traduce,vilify,asperse,slander,calumniate,libelThese verbs mean to make evil, harmful, often untrue statements about another.
這些動詞的意思是說別人的壞的、有害的、和常常是不真實的話。
Malign stresses malicious intent:
Malign 強調的是惡意的動機：
例句：
.Have I not taken your part when you were malignedô. (Thackeray).
.當你被人污蔑時我難道不是站在你這邊嗎ô. （薩克雷）。

Defame connotes damage to reputation, character, or good name brought about by misrepresentation:
Defame 暗指由于虛假的陳述而導致的對名譽、品質或好名聲的損害：
例句：
The judge ruled that the plaintiff had been defamed and had legitimate grounds for a lawsuit.
法官判定：原告的名譽受損，他進行法律訴訟具有合法前提。

Traduce implies malicious and false statements resulting in humiliation or disgrace:
Traduce 暗指由于惡意的或歪曲的言論而帶來的恥辱或不光彩：
例句：
.My character was traduced by Captain Hawkins . . . so much so, that even the ship`s company cried out shame. (Frederick Marryat).
.我的人格遭到了霍金斯船長的羞辱…以致船員們都替我覺得無地自容. （弗雷德里克·馬里亞特）。

Vilify pertains to open, deliberate, vicious defamation or denigration:
Vilify 屬于那種公開的、蓄意的且惡毒的敗壞他人名譽或詆毀他人的行為：
例句：
.One who belongs to the most vilified and persecuted minority in history is not likely to be insensible to the freedoms guaranteed by our Constitution. (Felix Frankfurter).Toasperse is to spread unfavorable charges or insinuations against:
.那些歷史上處于強烈被詆毀和被壓迫的少數(shù)民族對我們憲章所保證的自由不可能無動于衷. （費里克斯·弗蘭福特）。Asperse 是散布對某人不利的攻擊或散布影射某人的話：

例句：
.a libel tending to asperse or vilify the house of Commons. (Letters of Junius).
.傾向于詆毀、中傷眾議院的誹謗言論. （米尼厄斯的信件）。

Slander andcalumniate apply to malicious, false, and defamatory oral expression:
Slander 和calumniate 用于指口頭上的惡意的、虛假的和敗壞名譽的表述：
例句：
slandered his political opponent;
誹謗他的政治對手；

例句：
calumniated and ridiculed the President in whose cabinet he had once served.
污蔑并嘲弄那位總統(tǒng)，而他還曾在那位總統(tǒng)的內閣中任職。

Libel involves the communication of written or pictorial material injurious to the reputation of another:
Libel 涉及到對別人名聲有害的書面或圖形材料的傳播：
例句：
The ensuing publicity caused the entertainer to regret having sued the newspaper for libeling his character. See also Synonyms at sinister
接踵而來的暴光令那位演員后悔去狀告那報紙影射中傷他的人格 參見同義詞 sinister