inject

verb

USin-JEKT/ɪnˈd͡ʒɛkt/

Formsinjects, injecting, injected

7 meanings of inject

Practice

1
verbtransitive
To give medicine or drugs to a person or animal using a needle.
Like using a tiny straw to push medicine straight into the body.
The nurse injected the patient before the operation.
Vets inject the animals once a year to protect them from disease.
Similarinoculate
Note
2
verbtransitive
To push or pump a liquid into a space or opening.
Like using a pump to push air into a flat ball.
The mechanic injected grease into the joints of the machine.
Pumps inject water into the cracked pipe to test for leaks.
Similarpump, force, introduce, insert
Oppositeextract, withdraw
Note
3
verbtransitive
To add something new or different into a thing.
Like adding a drop of color to clear water to change it.
She injected some humor into the dull meeting.
Good editors inject fresh ideas into a tired script.
Similarintroduce, infuse, instill, bring, add
Note
4
verbtransitive
To bring something in suddenly and with force.
Like throwing a stone into still water and making sudden waves.
The protesters injected chaos into the quiet ceremony.
A single rumor can inject panic into a calm crowd.
Similarintroduce, bring, infuse
Note
5
verbintransitive
To put medicine or drugs into the body with a needle.
Diabetics often need to inject several times a day.
He had been injecting for years before he sought help.
Note
6
verbtransitive
To put extra computer code into a program, often to break into it.
Like slipping a secret note into someone's bag without them seeing.
Hackers can inject code into a website to steal passwords.
The attacker injected a hidden script into the login form.
Similarinsert, introduce, embed, plant
Note

Less common meaning

7
verbobsoletetransitive
To throw or cast something onto a person or thing.
And mound inject on mound.
1725, Homer, The Odyssey of HomerHere, inject means throw or pile on, mound on top of mound.
Note

Practice

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Origin

From Latin injicere, meaning "to throw in." It comes from in- plus jacere, "to throw."