1. the act of putting money into something with the expectation of profit or benefit
2. money that is invested or an asset purchased with money in hopes that it will generate income or appreciate in value
3. the devotion of time, effort, or energy to a particular undertaking with the expectation of a worthwhile result

Examples

• She made a smart investment in technology stocks.
• The company’s investment in new equipment paid off quickly.
• Real estate has always been considered a safe investment.
• His investment of time in learning Spanish helped him get the job.
• The government announced a major investment in renewable energy.
• Their investment in employee training improved productivity.
• Stock market investments can be risky but potentially rewarding.