disadvantaged

动词 disadvantage:

1. put at a disadvantage; hinder, harm
   同义词：disadvantage, disfavor, disfavour

形容词 disadvantaged:

1. marked by deprivation especially of the necessities of life or healthful environmental influences
   同义词：deprived

1. Tax laws that favored the privileged at the expense of the disadvantaged.
   以处于劣势的人为代价而有利于拥有特权者的税法
2. More state help is needed for the disadvantaged sections of the community.
   国家需要向社区的贫困阶层提供更多救济。

dis.ad.van.taged

adj.（形容词）
Deprived of some of the basic necessities or advantages of life, such as adequate housing, medical care, or educational facilities.
处于不利地位的；贫困的：缺乏生活中的一些必需品或有利条件，如宽余的住房，医疗护理，或教育设备
Being at a disadvantage, especially with respect to competitive or opposing elements or forces:
处于弱势的：处于不利条件下的，尤指相对于竞争或相反的因素或力量：
例句：
.We can`t have . . . disadvantaged conventional forces on one hand and strategic nuclear forces on the other.(Bernard Rogers)
.我们不可能…一方面有不利的常规部队，而另一方面又有配有战略核武器的部队.(伯纳德·罗杰斯)

n.(used with a pl. verb)（名词）（与复数动词连用）
Deprived people considered as a group.
弱势群体：处于下层的人们

【引伸】
dis.advan.tagedness
n.（名词）