inject.
To push or pump (something, especially fluids) into a cavity or passage.
Meaning & usage
To push or pump (something, especially fluids) into a cavity or passage.
The nurse injected a painkilling drug into the veins of my forearm.
To introduce (something) suddenly or violently.
Punk injected a much-needed sense of urgency into the British music scene.
To administer an injection to (someone or something), especially of medicine or drugs.
Now lie back while we inject you with the anesthetic.
to inject the blood vessels
To take or be administered something by means of injection, especially medicine or drugs.
It's been a week since I stopped injecting, and I'm still in withdrawal.
To introduce (code) into an existing program or its memory space, often without tight integration and sometimes through a security vulnerability.
To cast or throw; used with on.
To introduce or add (something that is different or foreign).
inject something into orbit
inject some spice into my life
Where this word comes from
From Latin iniectus, injectus, participle of iniciō, injiciō (“to throw in”), from in- + iaciō (“I throw”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.