in ‧ ject /ɪnˈdʒekt/ BrE AmE verb [transitive]
[ Date: 1500-1600 ; Language: Latin ; Origin: past participle of inicere , from jacere 'to throw' ]
1 . to put liquid, especially a drug, into someone’s body by using a special needle
inject something into somebody/something
The drug is injected directly into the base of the spine.
inject somebody with something
I have to inject myself with insulin.
2 . to improve something by adding excitement, interest etc to it
inject something into something
Traditional handbag makers are injecting more fun into their designs.
A market building can inject new life into an area.
3 . to provide more money, equipment etc for something
inject something into something
They need to inject more money into sports facilities.