English Reference
noun · verb

cost

n. · v.
US /ˈkɑst/ UK /kˈɒst/ cost UK spelling costs

infinitive cost past cost past participle cost

  1. 01 A1 Beginner

    n.the amount of money you need to pay to buy or do something.

    n.the amount of money, time, or resources required to purchase or produce something.

    Simple

    The cost of a new laptop has gone down recently.

    In context

    The total cost of the renovation exceeded the initial budget by nearly twenty percent due to unforeseen structural issues.

    Pitfall
    The cost for the ticket was ten dollars. The cost of the ticket was ten dollars.

    Use the preposition 'of' to connect 'cost' to the item being purchased.

  2. 02 B2 Upper Intermediate

    n.the effort, loss, or suffering needed to achieve something.

    n.the loss, sacrifice, or penalty incurred in the pursuit of an objective.

    Simple

    He won the race, but the cost was a serious leg injury.

    In context

    The environmental cost of rapid industrialisation is often overlooked in short-term economic forecasts.

  3. 03 A1 Beginner

    v.to have a specific price or require a certain amount of money.

    v.to require the payment of a specified sum or the expenditure of resources.

    Simple

    How much does this shirt cost?

    In context

    Maintaining a vintage sports car can cost thousands of dollars in specialised parts and labour every year.

    Usage

    The verb is usually stative and not used in the continuous (-ing) form when referring to price.

    Pitfall
    The shoes costed fifty dollars. The shoes cost fifty dollars.

    The past tense of 'cost' is usually 'cost', not 'costed', when referring to a price.

    price atsell for
  4. 04 B1 Intermediate

    v.to cause someone to lose something valuable, like a job or a life.

    v.to result in the loss or unpleasant sacrifice of something.

    Simple

    One small mistake cost him his job at the bank.

    In context

    The general's tactical error cost the lives of hundreds of soldiers during the retreat.

  5. 05 C1 Advanced Technical

    v.to calculate how much a task or project will cost.

    v.to estimate or calculate the likely cost of a project or service.

    Simple

    We need to cost the project before we sign the contract.

    In context

    The accountants spent three days costing the proposed expansion to ensure it was financially viable.

    Usage

    In this specific sense of 'calculating', the past tense 'costed' is frequently used.

Don't confuse

cost vs price — Price is the amount a seller asks for; cost is the total amount spent to produce or obtain something.

Usage cost of living · cost taxpayers · costs associated

This entry
Level A1 · Beginner
Frequency Very common
Updated