COSTLY
costly, dear, high-priced, pricey, pricy
(adjective) having a high price; “costly jewelry”; “high-priced merchandise”; “much too dear for my pocketbook”; “a pricey restaurant”
costly, dearly-won
(adjective) entailing great loss or sacrifice; “a dearly-won victory”
Source: WordNet® 3.1
Etymology
Adjective
costly (comparative costlier, superlative costliest)
Of high cost; expensive.
Antonyms
• costlessly
Anagrams
• octyls
Source: Wiktionary
Cost"ly (kst"l; 115), a. Etym: [From Cost expense.]
1. Of great cost; expensive; dear.
He had fitted up his palace in the most costly and sumptuous style,
for the accomodation of the princess. Prescott.
2. Gorgeous; sumptuous. [Poetic.]
To show how costly summer was at hand. Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition