expensive

Synonyms: an arm and a leg at a premium big-ticket costly dear excessive exorbitant extravagant fancy high highway robbery holdup immoderate inordinate invaluable lavish out of sight overpriced plush posh pretty penny pricey rich ritzy sky-high steep stiff swank too high uneconomical unreasonable upscale valuable

Antonyms: cheap inexpensive low-priced moderate reasonable