COST Meaning of COST in English noun 1.Synonyms: price 1, charge, price tag, rate, tab, tariff 2.Synonyms: expense 1, disbursement, expenditure, outlay 3.Synonyms: expense 2, price, toll Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003