paid
"Paid" is the past tense and past participle of the verb "pay." It has a few closely related but distinct uses — as a verb describing a completed action, and as an adjective describing a state or type of work. Here are the most common ways you will encounter it.
This is the most common use. When you hand over money in exchange for something — a product, a service, a bill — you 'paid' for it. Think of it as the completed action of paying.
everyday language · Modern, widely used
I already paid the electricity bill this month.
He paid the waiter and left the restaurant.
Sometimes 'paid' is used figuratively to mean that someone experienced a bad result or punishment because of something they did. You are not paying money — you are 'paying' with suffering, loss, or difficulty.
everyday language · Modern, widely used · figurative