neutral

impartial, just, fair, neutral, objective

这些形容词均有“公正的、公平的、不偏不倚的”之意。
impartial: 侧重对任何人或任何一方没有成见或偏袒。
just: 多用于庄重场合，指不受个人利益得失或感情倾向的影响，侧重按照公认的准则或标准处理问题。
fair: 普通常用词，指不偏不倚地对待人和物，侧重不受个人感情、偏见或利益所影响。
neutral: 强调持中立态度，不偏袒任何一方，甚至不作最后的裁决。
objective: 着重客观、真实，不为个人偏见、兴趣、感情或看法所左右。

名词 neutral:

1. one who does not side with any party in a war or dispute

形容词 neutral:

1. neither moral nor immoral; neither good nor evil, right nor wrong
2. having no personal preference
   同义词：impersonal
3. having only a limited ability to react chemically; chemically inactive
   同义词：inert, indifferent
4. not supporting or favoring either side in a war, dispute, or contest
5. having no net electric charge; not electrified
   同义词：electroneutral
6. of something that is lacking hue
7. possessing no distinctive quality or characteristics
8. lacking distinguishing quality or characteristics

1. A neutral tie can be worn with a shirt of any colour.
   暗灰色的领带配什麽颜色的衬衣都行。
2. He has a rather neutral character.
   他品性平平。
3. That country remained neutral in the war.
   那个国家在那场战争中保持中立。
4. When you start the engine, be sure the car is in neutral.
   你在发动引擎时，一定要让汽车处于空档。

neu.tral

adj.Abbr. neut.（形容词）缩写 neut.
Not aligned with, supporting, or favoring either side in a war, dispute, or contest.
中立的：不与…结盟的、不支持的或不援助战争、争吵或竞争中的任一方的
Belonging to neither side in a controversy:
中间的：不属于论战中任何一方的：
例句：
on neutral ground.
站在中间立场上

Belonging to neither kind; not one thing or the other; indifferent.
非此亦非彼的：不属于两者中任何一种的；非此亦非彼的；没有对错的
Sexless; neuter.
无性的；中性的
Chemistry
【化学】
Of or relating to a solution or compound that is neither acidic nor alkaline.
酸碱平衡的：溶液或化合物非酸性也非碱性的或与之有关的
Of or relating to a compound that does not ionize in solution.
非电离的：化合物在溶液中不能电离的或与之有关的
Physics
【物理学】
Of or relating to a particle, an object, or a system that has neither positive nor negative electric charge.
中性的：粒子、物体或系统电位既非正也非负的或与之有关的
Of or relating to a particle, an object, or a system that has a net electric charge of zero.
电中性的：粒子、物体或系统电位为零的或与之有关的
Color Of or indicating a color, such as gray, black, or white, that lacks hue; achromatic.
【色彩】 中间色的：属于或表明一种缺乏色度的颜色的，如灰、黑或白色的；无色彩的
Linguistics Pronounced with the tongue in a middle position, neither high nor low, as thea in around.
【语言学】 中性音的：发音时舌头位于中间位置的，即不高也不低，如：around 中的 a 音
n.（名词）

A nation nonaligned with either side in a war.
中立国：战争中不与任何一方结盟的国家
A citizen of such a nation.
中立国国民：不结盟国家中的居民
One who takes no side in a controversy:
中立者：不介入争议中任何一方的人：
例句：
.I am by disposition one of life`s neutrals, a human Switzerland.(John Gregory Dunne)
.我是个天生的中立者，是一个瑞士人.(约翰·格列高利·邓恩)

Color A neutral hue.
【色彩】 中性色彩
A position in which a set of gears is disengaged so that power cannot be transmitted.
空档：一套齿轮在此处脱开，使动力不能传送的位置

来源：
Middle English neuteral
中古英语 neuteral
from Old French neutral
源自 古法语 neutral
from Latin neutr3lis [grammatically neuter]
源自 拉丁语 neutr3lis [语法上中性的]
from neuter neutr- * see neuter
源自 neuter neutr- *参见 neuter

【引伸】
neu.trally
adv.（副词）