expense

American  

[ik-spens] / ɪkˈspɛns /

noun

1. cost or charge.

   the expense of a good meal.

   Synonyms:

   expenditure, outlay

2. a cause or occasion of spending.

   A car can be a great expense.

3. the act of expending; expenditure.

4. expenses,

   1. charges incurred during a business assignment or trip.

   2. money paid as reimbursement for such charges.

      to receive a salary and expenses.

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verb (used with object)

expensed, expensing

1. to charge or write off as an expense.

verb (used without object)

expensed, expensing

1. to be expensed.

idioms

1. at the expense of, at the sacrifice of; to the detriment of.

   quantity at the expense of quality.

expense British  

/ ɪkˈspɛns /

noun

1. a particular payment of money; expenditure

2. money needed for individual purchases; cost; charge

3. (plural) incidental money spent in the performance of a job, commission, etc, usually reimbursed by an employer or allowable against tax

4. something requiring money for its purchase or upkeep

   the car was more of an expense than he had expected

5. to the detriment of

   he succeeded at the expense of his health

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verb

1. (tr) to treat as an expense for book-keeping or tax purposes

expense More Idioms  

1. see at the expense of; go to the trouble (expense); money (expense) is no object.

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Related Words

See price.

Other Word Forms

• expenseless adjective
• preexpense noun

Etymology

Origin of expense

First recorded in 1350–1400; Middle English, from Late Latin expēnsa, noun use of feminine of expēnsus, past participle of expendere “to weigh out, pay”; see expend

Explanation

An expense is a cost, but you can also use this word to mean the figurative cost of something. If you find it embarrassing to dress up as Santa, you might say that you do it to amuse your nephews, at the expense of your pride. When you give one thing up in order to get something else, its cost or sacrifice is the expense of getting what you want. You might worry that politicians want to cut taxes at the expense of schools that need money, or that oil companies increase drilling at the expense of the environment. The root of expense the Latin expendere, "to weigh out money or pay down."

Example Sentences

Any rate increase will vary depending on the severity and expense of the claim.

From MarketWatch • Apr. 21, 2026

“We know that there are still gaps in terms of access to programs and care for our families in Los Angeles, and that this is a really significant expense for families.”

From Los Angeles Times • Apr. 21, 2026

Provision for credit losses, an expense set aside to cover expected losses from loans or credit that may default, rose by $276 million to $467 million.

From Barron's • Apr. 17, 2026

Lawyers for the men told the court they were prepared to return to their native Zimbabwe at their own expense if they do not receive a custodial sentence.

From BBC • Apr. 17, 2026

Only later, inspecting the bill, would we realize that some of these items were being flown in at great expense from overseas.

From "Becoming" by Michelle Obama

Related Words

• amount
• budget
• charge
• consumption
• debt
• expenditure
• insurance
• investment
• liability
• loan
• loss
• mortgage
• obligation
• outlay
• payroll
• price
• price tag
• rate
• risk
• spending