king's ransom

a very large amount of money that enormous diamond ring must have cost a king's ransom Synonyms big bucks, bomb [British], boodle, bundle, earth, fortune, megabucks, mint, packet [chiefly British], pile, wadRelated Words heap, pot; bonanza, mine, treasure trove; assets, capital, means, property, riches, wealth, wherewithal; bread [slang], cash, chips, currency, dough, gold, jack [slang], legal tender, lucre, pelf, tender, wampumNear Antonyms petty cash, pin money, pocket money, spending moneyAntonyms mite, peanuts, pittance song