The Collaborative International Dictionary
Unrighteously
Unrighteous \Un*right"eous\, a. [OE. unrightwise, AS. unrihtw[=i]s. See Un- not, and Righteous.]
Not righteous; evil; wicked; sinful; as, an unrighteous man.
Contrary to law and equity; unjust; as, an unrighteous decree or sentence. [1913 Webster] -- Un*right"eous*ly, adv. -- Un*right"eous*ness, n.
Wiktionary
unrighteously
adv. In an unrighteous manner.
WordNet
unrighteously
adv. in an unrighteous manner; "he acted unrighteously" [ant: righteously]