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

The design idea was to maintain the essence of the original majestic quadrangle courtyard while injecting new life into it, and where possible the original wooden elements were preserved. —WWD, 5 Dec. 2024

Both companies are also finding ways to put the medications, which patients currently need to inject, into pill form. —Alice Park, TIME, 4 Dec. 2024

Characteristic of Austin, however, Steakley, along with music director Allen Robertson and their artistic team, inject popular and sacred songs into the story. —Michael Barnes, Austin American-Statesman, 4 Dec. 2024

There’s been a recent surge of procedures in which patients are getting their blood drawn and spun into platelet-rich plasma, and then injected directly into their faces. —Sarah Kinonen, Allure, 27 Nov. 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