Definition of invest in
1 : to use money for (something) in order to earn more money He made a fortune by investing in real estate. He invested his savings in the business.
2 : to spend money for building or improving (something) The city will invest millions of dollars in two new schools. The city plans to invest heavily in its educational system this year.
3 : to give (time or effort) in order to do something or make something better A lot of time was invested in the project. We need to invest more effort in educating our children.
4 informal : to spend money on (something useful or helpful to oneself) I am planning to invest in a good coat.
Word by Word Definitions
: to array in the symbols of office or honor
: to furnish with power or authority
: to grant someone control or authority over : vest
: to commit (money) in order to earn a financial return
: to make use of for future benefits or advantages
: to involve or engage especially emotionally
Seen and Heard
What made you want to look up invest in? Please tell us where you read or heard it (including the quote, if possible).