negative
expressing‘no'
A negative sentence or phrase is one which contains a word such as 'not', 'no', 'never' or 'nothing'
not hopeful, or tending to consider only the bad side of a situation
of the type of electrical charge which is carried by electrons
a piece of film from which a photograph can be produced, and in which light and dark areas appear the opposite way round to the way in which they appear in the photograph:
(of a medical test) showing that the patient does not have the disease or condition for which he or she has been tested
(of a number or amount) less than zero
adj. [数] 负的；消极的；否定的；【细菌学、医学】阴性的，无病菌的
n. 否定；负数；[摄] 底片
vt. 否定；拒绝

例句：
The suggestion was negatived by the school board.
这提议被教育委员会否决了。

negate
To make ineffective or invalid; nullify.
To rule out; deny. See Synonyms at deny.
Computer Science. To perform the machine logic operation NOT gate.
v. 否定；取消；使无效；【计算机科学】 求反，非：执行计算机逻辑NOT门操作

例句：
The story negated the trade supported by the government.
该项报道否认了此项贸易受到政府的支持。

abnegate ab-, away from 离开 abnormal
To give up (rights or a claim, for example); renounce.
To deny (something) to oneself
vt. 放弃；舍弃；禁忌;克制(私心、欲望等)

negatron -a- 连字符 ＋ -tron(= electron) 电子
An electron with a negative charge, as contrasted with a positron
n. [物] 阴电子（等于negative electron）

renegade
词汇起源
[Date: 1400-1500; Language: Spanish; Origin: renegado, from Medieval Latin renegare 'to say that something is not true', from Latin negare;NEGATE]

One who rejects a religion, cause, allegiance, or group for another; a deserter.
An outlaw; a rebel.
Of, relating to, or resembling a renegade; traitorous.
To become a deserter or an outlaw.
n. 叛徒；变节者；脱党者
vi. 背叛；脱离
adj. 叛徒的；背弃的；脱离的

例句：
His conversation with the renegade seemed to have taken all the heart out of him.
跟那个叛徒的谈话似乎使他完全失去了勇气。

neglect collect

To pay little or no attention to; fail to heed; disregard: neglected their warnings.
To fail to care for or attend to properly: neglects her appearance.
To fail to do or carry out, as through carelessness or oversight: neglected to return the call.
The act or an instance of neglecting something.
The state of being neglected.
Habitual lack of care.
vt. 疏忽，忽视；忽略
n. 疏忽，忽视；怠慢

词组短语：
neglect of 疏忽
neglect of duty 玩忽职守；[法]失职；过失责任

例句：
His genius was neglected for several years.
他的创造能力被忽视了好几年。
He was dismissed for neglecting his work.
他因玩忽职守而被炒了鱿鱼。

neglectful
Characterized by neglect; heedless
adj. 疏忽的；忽略的；不小心的

negligence
The state or quality of being negligent.
A negligent act or a failure to act.
Law. Failure to exercise the degree of care considered reasonable under the circumstances, resulting in an unintended injury to another party
n. 疏忽；忽视；粗心大意；【法律】 过失

词组短语：
gross negligence 重大过失；严重过失；显著的疏忽

例句：
The accident was caused by the negligence of the driver.
事故是由司机的疏忽造成的。

negligible
Not significant or important enough to be worth considering; trifling
adj. 微不足道的，可以忽略的

例句：
His knowledge of geography is negligible.
他的地理知识少得可怜。