costly

Definitions

Expensive; requiring a large sum of money.

Involving a great loss or sacrifice.

Examples

The delay in the project proved to be a costly mistake for the company.

Maintaining such a large estate can be incredibly costly over time.

It was a costly lesson, but he finally learned the importance of double-checking his work.

Synonyms

expensive pricey dear exorbitant extravagant lavish valuable

Antonyms

cheap inexpensive affordable economical reasonable budget low-cost