invest in

phrasal verb

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.