Expensive (adjective)

1. Costing a lot of money.
2. Entailing great loss or sacrifice.

Origin:

From old french "expensive" and latin "expens-", past participle stem of "expendere" meaning "to pay out, weigh out".

Examples:

1. The diamond necklace was expensive.
2. This new car is too expensive for me.
3. The surgery was expensive, but it saved her life.
4. The legal fees for the divorce were expensive.
5. It's expensive to live in this city.