in·​ject | \in-ˈjekt \
injected; injecting; injects

Definition of inject 

transitive verb

1a : 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 campaignCurrent Biography

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Other Words from inject

injectable \ in-​ˈjek-​tə-​bəl \ adjective or noun
injector \ in-​ˈjek-​tər \ noun

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

Along for the ride — which includes being classmates with her daughter and a romance with a younger man — is her best friend, Christine (Rudolph), who doesn't mind injecting life with the fervor of a sorority girl. Tre'vell Anderson,, "Longtime friends Melissa McCarthy and Maya Rudolph are the 'Life of the Party'," 10 May 2018 Does the trade make sense? • Walker is an upgrade over a healthy Jackson, so a trio of Walker, Blake Griffin and Andre Drummond might inject life into the franchise that hasn't won a playoff game since 2008. Marlowe Alter, Detroit Free Press, "Could Detroit Pistons convince Hornets to trade Kemba Walker?," 13 Apr. 2018 In addition to doing some public good, the red phones allow Apple to inject a little new life into its product line half a year after the iPhones' release, when enthusiasm and sales have started to wane. Andrew Moseman, Popular Mechanics, "The Bright Red iPhone Is Back," 9 Apr. 2018 This turnaround in the North Aral Sea’s fate has meant that the fish stocks have returned to its waters, injecting new life into the local communities. Taylor Weidman, National Geographic, "Once Written Off for Dead, the Aral Sea Is Now Full of Life," 16 Mar. 2018 To his credit, Savarese found a way to inject life back into his group at halftime. Jamie Goldberg,, "Giovanni Savarese's Portland Timbers open season with 2-1 loss to Los Angeles Galaxy," 5 Mar. 2018 Rooney will look to inject some life into an anemic D.C. attack, which has scored 19 goals in its 12 matches. Jenna West,, "D.C. United Signs Wayne Rooney From Everton," 27 June 2018 Tate injected life into the Wildcats’ offense and the team won five of its final seven regular-season games. Matt Murschel,, "Arizona eager to build on progress, is No. 62 in 2018 preseason college football rankings," 26 June 2018 Soon after talk of the event being replaced by a Champions Tour or LPGA Tour event, Travelers floated in with its umbrella and injected life. Mike Anthony,, "Nearly 300,000 Attended The Travelers In 2017; Can It Be Topped?," 18 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inject.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of inject

1601, in the meaning defined at sense 1a

History and Etymology for inject

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

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Statistics for inject

Last Updated

5 Nov 2018

Look-up Popularity

Time Traveler for inject

The first known use of inject was in 1601

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More Definitions for inject



English Language Learners Definition of inject

: to force a liquid medicine or drug into someone or something by using a special needle

: to force (a liquid) into something

: to add (something) to something : to introduce (a particular quality) into something


in·​ject | \in-ˈjekt \
injected; injecting

Kids Definition of inject

1 : to force a fluid (as a medicine) into by using a special needle

2 : to introduce as something needed or additional He tried to inject confidence into his brother.

in·​ject | \in-ˈjekt \

Medical Definition of inject 

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

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Comments on inject

What made you want to look up inject? Please tell us where you read or heard it (including the quote, if possible).


to clear from alleged fault or guilt

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