He acted unrighteously.    From Wordnet, Princeton University. 

Adjective : an unrighteous king. ,an unrighteous law.    From Dictionary.com. 

Without doubt, thou hast been struck down unrighteously!.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Those who lived it unrighteously weren't blessed for it.    From Wordnik.com.  [Author Interview: Tristi Pinkston, Season of Sacrifice] Reference

O Satyaki, Draupadi also was persecuted by them unrighteously.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

Therefore, should none act unrighteously saying, Might is mine!.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 1 Books 1, 2 and 3] Reference

Righteously or unrighteously, this kingdom hath now become ours.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Therefore, should none act unrighteously, saying, Might is mine.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 1 Books 1, 2 and 3] Reference

Therefore should no one act unrighteously, saying, -- I am mighty!.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 1 Books 1, 2 and 3] Reference

Therefore, should no one act unrighteously, saying, -- I am mighty!.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 1 Books 1, 2 and 3] Reference

Duryodhana himself had formerly vanquished Yudhishthira unrighteously.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

That wretch among men behaves most unrighteously towards the Brahmanas.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 4 Books 13, 14, 15, 16, 17 and 18] Reference

Never, however, have I seen all the people of a country act unrighteously.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Pandu's son, Yudhishthira was some time back unrighteously deceived by them.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

Never desire to fill thy treasury by acting unrighteously or from covetousness.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

The virtuous king Yudhishthira would not unrighteously covet even the celestial kingdom.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

Bhurishrava were slain unrighteously, they became afflicted with grief and wept in sorrow.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Like blind men lost on the way, creatures acting and abstaining unrighteously meet with destruction.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Vrikodara unrighteously strike thee down, thee that wert conversant with every rule of righteousness!.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

This wretch born in the race of the Vrishnis unrighteously slew of old the illustrious king Jarasandha.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 1 Books 1, 2 and 3] Reference

Hearing that the preceptor, that foremost of righteous persons, had been unrighteously slain in battle by.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

Him, and who unrighteously departed from Him, but give rest to His own, rewarding them with all they have looked for?.    From Wordnik.com.  [ANF01. The Apostolic Fathers with Justin Martyr and Irenaeus] Reference

Though, however, thou art inclined to adopt the path of virtue, thy kingdom was snatched from thee most unrighteously.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

The Pandavas, with Krishna in their company, were also exiled and they were robbed of their all, O fool, most unrighteously.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

Stewart has been somewhat too boisterously acclaimed, the Edinburgh poet, on the other hand, is most unrighteously forgotten.    From Wordnik.com.  [Edinburgh Picturesque Notes] Reference

Fie on that wretched Yudhishthira who tolerated the head of one unrighteously struck down in battle to be touched with the foot!.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Without doubt, that being is the terrible fruit of this sinful determination of mine that I had essayed to achieve unrighteously.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Learning that thy son had been slain unrighteously by Bhima, we slaughtered the Pandavas after entering their camp buried in sleep.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12] Reference

Private property was, after all, but the outcome of theft, and there can be no virtue in restoring what we have come by unrighteously.    From Wordnik.com.  [A Girl Among the Anarchists] Reference

Having caused him, who had laid his weapons to be unrighteously slain, protect the son of Prishata if thou canst, with all thy counsellors.    From Wordnik.com.  [The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2 Books 4, 5, 6 and 7] Reference

In his judgment his father had often acted unrighteously or foolishly.    From Wordnik.com.  [Commentary on Genesis, Vol. II Luther on Sin and the Flood] Reference

Such mammon or wealth must be unrighteous, because unrighteously obtained.    From Wordnik.com.  [Life and Labors of Elder John Kline, the Martyr Missionary Collated from his Diary by Benjamin Funk] Reference

"With Him shalt thou reign and judge with justice those that have dealt unrighteously.".    From Wordnik.com.  [Albert Durer] Reference

Look at Aegisthus; he must needs make love to Agamemnon's wife unrighteously and then kill.    From Wordnik.com.  [The Odyssey] Reference

I replied, starting up, that my hands were free from the stain of Blood unrighteously spilt.    From Wordnik.com.  [The Strange Adventures of Captain Dangerous, Vol. 3 of 3 Who was a sailor, a soldier, a merchant, a spy, a slave among the moors...] Reference