Antonym: cheap. Similar words: mostly, honestly, cost, costume, at any cost, at all costs, at the cost of, the cost of living. Meaning: ['kɒstlɪ] 
adj. 1. entailing great loss or sacrifice 2. having a high price.
adj. 1. entailing great loss or sacrifice 2. having a high price. 
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1. Waste of time is the most extravagant and costly of all expenses. 
2. The six-month delay will be costly for the company.
3. The royal train was fitted up with costly furniture.
4. Passenger ships are a costly way to travel.
5. Our former process was too costly.
5. Wish you can benefit from sentencedict.com and make progress everyday!
6. An indiscreet remark triggered off a long and costly strike.
7. The long and costly strike proved to be the last nail in the company's coffin.
8. Such a database would be extremely costly to set up.
9. Their costly and futile attempt to subjugate the Afghans lasted just 10 years.
10. Having professionally made curtains can be costly, so why not make your own?
11. She rationalized the expense by saying that the costly carpet she had bought would last longer than a cheaper one.
12. Coastal defence is a costly business.
13. It can be costly to refinance.
14. The proposal was rejected as too costly.
15. The castle will undergo extensive and costly renovations.
16. Having curtains made professionally can be costly.
17. Your plan fell down when it proved too costly.
18. It would be too costly to repair the car.
19. Buying new furniture may prove too costly.
20. This process is costly in computer time.
21. It proved to be a costly mistake.
22. This approach is too inflexible and too costly.
23. Mining can be costly in terms of lives .
24. The venture proved a costly failure.
25. The ring was very costly.
26. These measures could be costly to employers.
27. It has been rather costly to install the machinery, but it should pay off in the long run.
28. Psychometric tests can save organizations from grim and costly mistakes.
29. Complete replacement of the roof tiles would be very costly.
30. The scheme was jettisoned when the government found it too costly.
More similar words: mostly, honestly, cost, costume, at any cost, at all costs, at the cost of, the cost of living, ecosystem, host, most, ghost, boost, at most, almost, poster, foster, hostile, post-war, hostage, partly, gently, softly, tightly, lightly, quietly, shortly, greatly, directly, slightly.