Webster's Revised Unabridged Dictionary · 1913

Indignant

Indignant , adjective

[Latin indignans, -antis, present participle 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