inject

verb

in·​ject in-ˈjekt 

injected; injecting; injects

transitive verb

1

a

: to introduce into something forcefully

inject fuel into an engine

b

: to force a fluid into (as for medical purposes)

inject a drug into the bloodstream

2

: to introduce as an element or factor in or into some situation or subject

condemning any attempt to inject religious bigotry into the campaign

—Current Biography

injectable

in-ˈjek-tə-bəl 

adjective or noun

injector

in-ˈjek-tər 

noun

Synonyms

• edge in
• fit (in or into)
• insert
• insinuate
• intercalate
• interject
• interpolate
• interpose
• intersperse
• introduce
• sandwich (in or between)
• work in

Examples of inject in a Sentence

She told a few jokes to inject a little humor into her speech.

We need to inject some life into this party.

Recent Examples on the Web

In addition to being functional, kitchen items like pots and pans, cooking utensils, and gadgets give you the opportunity to inject personality and style into otherwise mundane, boring household items. —Alicia Geigel, Southern Living, 8 June 2024

The creditor group recently agreed to inject $75 million in incremental financing to help build up the chain’s cash reserves and support the restructuring, according to court documents. —Paolo Confino, Fortune, 6 June 2024

To further understand the connection between xylitol and heart events, the scientists then injected xylitol in mice and analyzed what effect the chemical had on the animals’ cardiovascular system. —Alice Park, TIME, 6 June 2024

California How pro-Palestinian protests led to a massive UC strike, injecting new fuel into antiwar activism May 31, 2024 In a statement Monday, UC’s vice president of labor relations expressed disappointment that the strike would go on. —Jaweed Kaleem, Los Angeles Times, 3 June 2024

Word History

Etymology

Latin injectus, past participle of inicere, from in- + jacere to throw — more at jet

First Known Use

1601, in the meaning defined at sense 1a

Kids Definition

inject

verb

in·​ject in-ˈjekt 

1

a

: to throw, drive, or force into something

inject fuel into an engine

b

: to force a fluid into (a part of the body) especially for medical reasons

2

: to introduce as an additional element

injected humor into her speech

injectable

-ˈjek-tə-bəl 

adjective

injector

-ˈjek-tər 

noun

Medical Definition

inject

transitive verb

in·​ject in-ˈjekt 

1

: to force a fluid into (a vessel, cavity, or tissue) for preserving, hardening, or coloring structures

2

: to introduce (as by injection or gravity flow) a fluid into (a living body) especially for the purpose of restoring fluid balance, treating nutritional deficiencies or disease, or relieving pain

also : to treat (an individual) with injections