To frustrate or disappoint; to deceive or defraud, by nonfulfillment of engagement; to leave in the lurch; to give the slip to; as, to bilk a creditor.
- To defraud, cheat, or swindle: made millions bilking wealthy clients on art sales.
- To evade payment of: bilk one's debts.
- To thwart or frustrate: "Fate . . . may be to a certain extent bilked” ( Thomas Carlyle).
- To elude.
- One who cheats.
- Obsolete A hoax or swindle.