adjective, cost·li·er, cost·li·est.
Origin of costly
Related formscost·li·ness, nouno·ver·cost·li·ness, nouno·ver·cost·ly, adjectiveun·cost·ly, adjective
Examples from the Web for costliness
The tables in these Anglo-Saxon homes were often of great beauty and costliness.Women of England, Volume 9 (of 10)|Burleigh James Bartlett
They bought time at a high price, but they did not stint themselves nor stop their bidding because of its costliness.
Its costliness, lack of brightness, and tendency to redden, are against its employment on the palette.Field's Chromatography|George Field
In the Bible Aloes are mentioned five times, and always with reference to their excellence and costliness.The plant-lore and garden-craft of Shakespeare|Henry Nicholson Ellacombe
Her dress, her carriage, her style of living would be unique in her rank of life for taste and costliness.