costliest

adjective

Costing a lot; expensive.

SYNONYMS

big-budgetchoicedeardeluxeexorbitantexpensiveexquisiteextortionateextravagantfinehigh-costhigh-pricedhighly pricedimmoderatelavishover the oddsoverpricedpricelesspriceyrichsteepupmarketvaluableworth a king's ransomworth its weight in gold