From Longman Dictionary of Contemporary Englishinjectin‧ject /ɪnˈdʒekt/ ●●○ verb [transitive] 1 MHMDto put liquid, especially a drug, into someone’s body by using a special needleinject 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 ADDto improve something by adding excitement, interest etc to itinject something into something Traditional handbag makers are injecting more fun into their designs. A market building can inject new life into an area.3 PROVIDEto provide more money, equipment etc for somethinginject something into something They need to inject more money into sports facilities.→ See Verb table
Examples from the Corpus
inject• Two years ago I was both smoking and injecting.• Hastings Corporation has injected huge amounts of money into the venture.• A drug that is injected reaches the brain faster than if it is smoked or sniffed.• Most heroin users prefer to inject the drug.inject something into somebody/something• A pain-killer was injected into his foot before the operation.inject something into something• They hoped that the adoption of a child would inject new life into their marriage.From Longman Business Dictionaryinjectin‧ject /ɪnˈdʒekt/ verb [transitive]FINANCE to provide money, ideas, skills etc for an organization or an activity, to make it perform better or to stop it from failinginject something into somethingThis was an opportunity to inject some life into the campaign.It injected new capital into the company. —injection noun [countable]Investors provided a much-needed cash injection of 30 million pounds.→ See Verb tableOrigin inject (1500-1600) Latin past participle of inicere, from jacere “to throw” 