› [S or U] something that is given, needed or lost in order to get a particular thing: cost to sb/sth We will help you run your business with less cost to the environment.at a cost to sth She continued in the job, but at a great cost to her health.cost in sth They felt that continuing with the project was not worth the cost in time and effort. considerable/enormous/great cost
› (cost, cost) if something costs a particular amount of money, you have to pay that amount in order to buy or have it: cost $1 million/£500,000, etc. Calls cost 60 cents per minute.cost sb $1 million/£500,00, etc. Deregulation allowed the company to fix electricity prices, costing consumers billions of dollars.cost more/less than Stamp duty is up to 3% on properties costing more than £250,000.cost about/around/up to luxury apartments costing up to £900,000 eachbe expected/estimated to cost The project, which was originally expected to cost $1 billion, is now estimated at $1.8 billioncost as little/much as Hundreds of items, some costing as little as $1, are for sale.
› (costed) ACCOUNTING to calculate the price of something or to decide how much it will cost: Has the project been costed yet?cost sth at The new rail line was costed at £150 billion.