cost

costverb

American /kɔst/ British /kɒst/ Cost rhymes with lost.
third-person singular costs past tense cost past participle cost present participle costing costed when the meaning is to estimate the cost of something

To cost is to need money, or something else of value, before someone can have or do something.

  1. have a pricehave a particular price

    The price is the direct object, with no preposition before it. The person who pays can come before the price: it cost me a lot.

    transitive [T] verb + object [V + obj] verb + two objects [V + obj + obj] not used in the passive [no passive]

    Collocations

    verb + noun cost money, cost a lot, cost a fortune, cost nothing
    phrase cost extra, cost twice as much

    Compare charge

  2. cause a lossmake someone lose something valuable, such as a job, time, or their life

    transitive [T] verb + two objects [V + obj + obj] not used in the passive [no passive]

    Collocations

    verb + noun cost someone their job, cost someone their life, cost someone time, cost someone the game
  3. calculate the pricework out how much something will cost

    The past tense and past participle in this sense are costed, not cost.

    transitive [T] verb + object [V + obj] usually passive [usually passive] business

    Collocations

    adverb + verb fully costed, carefully costed
    verb + noun cost a project, cost a plan

Word family

  • cost
  • costly

Usage

A thing costs money; a person pays money for it or spends money on it: the book cost ten dollars, I paid ten dollars for the book.

Common mistakes

How much is it cost? How much does it cost?
Questions with cost need do or does.
The dinner costed a lot. The dinner cost a lot.
The past tense of cost is cost. Costed is only for calculate the price.

See also pay; spend

For translators

Grammar trap The price follows cost directly, and the person comes before it with no preposition: it cost me a lot, not it cost a lot to me.