| 单词 | costly |
| 释义 | costly —costliness, n. /kawst"lee, kost"-/, adj., costlier, costliest. 1. costing much; expensive; high in price: a costly emerald bracelet; costly medical care. 2. resulting in great expense: The upkeep of such a large house is costly. 3. resulting in great detriment: It was a costly mistake because no one ever trusted him again. 4. of great value; very valuable; sumptuous. 5. lavish; extravagant. [1350-1400; ME costli. See COST1, -LY] Syn. 1. dear, high-priced. See expensive. |
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