expensive

Costing a lot of money or requiring a lot of effort to get.

• That coat is expensive.
• We stayed in a less expensive hotel.
• Why are train tickets so expensive?

How to use it: expensive to do something (This car is expensive to repair.)

Similar words: costly, pricey

Opposites: cheap, inexpensive

Common phrases: expensive clothes, too expensive, expensive to buy, expensive car

Using a lot of computer time, memory, or processing power.

• This calculation is expensive.
• We replaced the expensive algorithm with a faster one.
• Repeated database searches can be expensive.

Similar words: resource-intensive, costly

Opposites: cheap

Common phrases: expensive operation, expensive computation, computationally expensive