All 8 Uses of

fraud
in
The Brothers Karamazov

Your brother Ivan writes theological articles in joke, for some idiotic, unknown motive of his own, though he's an atheist, and he admits it's a fraud himself—that's your brother Ivan.†
Chpt 2

You must admit that medicine is a fraud, Karamazov," cried Kolya warmly.†
Chpt 10

But in my soul I have a profound contempt for the classics and all that fraud....You don't agree, Karamazov?†
Chpt 10

While I have that money on me, he said, I am a scoundrel, not a thief, for I can always go to my insulted betrothed, and, laying down half the sum I have fraudulently appropriated, I can always say to her, 'You see, I've squandered half your money, and shown I am a weak and immoral man, and, if you like, a scoundrel' (I use the prisoner's own expressions), 'but though I am a scoundrel, I am not a thief, for if I had been a thief, I shouldn't have brought you back this half of the money, but should have taken it as I did the other half!'†
Chpt 12

fraudulently = done in a manner intended to deceive

Definition:

the act of deceiving someone for personal gain; or a person or thing that is not what it pretends or appears to be