a. 愤怒的, 愤慨的

[ adj ]
angered at something unjust or wrong
<adj.all>
an indignant denialincensed at the judges' unfairness
a look of outraged disbelief
umbrageous at the loss of their territory

Indignant \In*dig"nant\, a. [L. indignans, -antis, p. pr. of
indignari to be indignant, disdain. See {Indign}.]
Affected with indignation; wrathful; passionate; irate;
feeling wrath, as when a person is exasperated by unworthy or
unjust treatment, by a mean action, or by a degrading
accusation.

He strides indignant, and with haughty cries
To single fight the fairy prince defies. --Tickell.