society > morality > moral evil > lack of principle or integrity > [adverb] > dishonestly (6)
In violation of truth; untruthfully.
Wrongly, dishonestly. Obsolete.
In a surreptitious manner. By ‘surreption’: see surreptitious, adj.1 1.
In a dishonest manner, fraudulently; so as to cheat or deceive.
In a crooked manner (see the adjective).