Source : WordNet®

costlier
     See {costly}

costly
     adj 1: entailing great loss or sacrifice; "a dearly-won victory"
            [syn: {dearly-won}]
     2: having a high price; "costly jewelry"; "high-priced
        merchandise"; "much too dear for my pocketbook"; "a pricey
        restaurant" [syn: {dear(p)}, {high-priced}, {pricey}, {pricy}]
     [also: {costliest}, {costlier}]