also: いんちき
That shop is running a fraudulent business.
試験でインチキをするなんて最低だ。
Cheating on an exam is the worst.
Describes something that is not genuine, such as a product, claim, or person pretending to have skills. Often used attributively with な.
この時計はインチキで、すぐに壊れた。
This watch is a fake; it broke right away.
彼はインチキな医者だと噂されている。
He is rumored to be a quack doctor.
He cheated on the test.
His cheating was exposed, and everyone came to dislike him.
That company had been committing fraud in its dealings.
He was selling bogus medicine at a high price.
インチキ is a colloquial word for something fake or rigged, often about scams, while ずる is broader and often used for small, personal acts of cheating.
インチキ is a casual, often exasperated word for cheating or fakery, while ごまかし is a more neutral term covering any kind of deception or fudging.
いんちき is a casual, everyday word for cheating or a fake, whereas 細工 (negative sense) sounds more deliberate and technical, like rigging a mechanism or document.