investment

American  

[in-vest-muhnt] / ɪnˈvɛst mənt /

noun

1. the investing of money or capital in order to gain profitable returns, as interest, income, or appreciation in value.

2. a particular instance or mode of investing.

3. a thing invested in, as a business, a quantity of shares of stock, etc.

4. something that is invested; sum invested.

5. the act or fact of investing or state of being invested, as with a garment.

6. a devoting, using, or giving of time, talent, emotional energy, etc., as for a purpose or to achieve something.

   His investment in the project included more time than he cared to remember.

7. Biology. any covering, coating, outer layer, or integument, as of an animal or vegetable.

8. the act of investing with a quality, attribute, etc.

9. investiture with an office, dignity, or right.

10. a siege or blockade; the surrounding of a place with military forces or works, as in besieging.

11. Also called investment compound.  Metallurgy. a refractory material applied in a plastic state to a pattern to make a mold.

12. Archaic. a garment or vestment.

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investment British  

/ ɪnˈvɛstmənt /

noun

1. 1. the act of investing money

   2. the amount invested

   3. an enterprise, asset, etc, in which money is or can be invested

2. 1. the act of investing effort, resources, etc

   2. the amount invested

3. economics the amount by which the stock of capital (plant, machinery, materials, etc) in an enterprise or economy changes

4. biology the outer layer or covering of an organ, part, or organism

5. a less common word for investiture

6. the act of investing or state of being invested, as with an official robe, a specific quality, etc

7. rare the act of besieging with military forces, works, etc

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investment Cultural  

1. The purchase of property with the expectation that its value will increase over time.

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Other Word Forms

Derived Forms

• preinvestment
  noun
• reinvestment
  noun
• proinvestment
  adjective
• nonreinvestment
  noun
• overinvestment
  noun

Etymology

Origin of investment

First recorded in 1590–1600 investment for def. 12; 1605–15 investment for def. 1; invest + -ment

Explanation

You are making an investment when you put money into a business with the hopes that the business will grow and bring you a profit. Many consider a college education to be one of the best investments you can make. Besides money, you can put time, effort or emotional support into something and also call it an investment. Volunteering in an organization requires an investment of time and energy. You may hear someone say, "We must make an investment in the future of our children," when he or she is pleading for fiscal responsibility, education, environmental protection or some other cause that will affect the success of future generations.

Example Sentences

Bloomberg News earlier reported on some details of the school’s SpaceX investment.

From The Wall Street Journal • Jun. 9, 2026

Eventually, it is likely that companies will build too much AI infrastructure and stock prices will fall, said Ayako Yoshioka, senior investment strategist at the wealth-management firm Wealth Enhancement.

From The Wall Street Journal • Jun. 9, 2026

"Teacher numbers have increased by more than 2,700 over the last decade thanks to Scottish government investment," said a spokesperson.

From BBC • Jun. 8, 2026

Both companies have also raised record amounts of private investment to meet their ambitions, a process that may have reached its limits, forcing a turn to Wall Street for still more funding.

From Barron's • Jun. 8, 2026

Four years was a long time, but a calf or a good lump sum at the end would be a solid investment in the future.

From "Flying Through Water" by Mamle Wolo

Related Words

• asset
• contribution
• expenditure
• expense
• finance
• financing
• grant
• loan
• money
• property
• purchase
• stake
• transaction
• venture