in·​ject | \ in-ˈjekt How to pronounce inject (audio) \
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 How to pronounce injectable (audio) \ adjective or noun
injector \ in-​ˈjek-​tər How to pronounce injector (audio) \ 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 The new Pace Gallery is expected to further inject foot traffic and tourism into the lower west side of Manhattan, alongside attractions like the High Line, the Whitney, Hudson Yards, other Chelsea galleries, and the impending Pier 55. Vogue, "The New Pace Gallery Was Teeming With Artists at Last Night's Opening Party," 13 Sep. 2019 The bank will buy 20 billion euros’ worth of bonds ($22 billion) every month starting in November, a form of money printing intended to inject money into the system and hold down interest rates., "ECB acts to head off recession threat in Europe, with a caveat - The Boston Globe," 13 Sep. 2019 Carson Wentz Nothing like adding a reliable deep threat to inject some more play-making into an offense. Lorenzo Reyes, USA TODAY, "NFL Week 1 winners, losers: Browns look sloppy against Titans," 9 Sep. 2019 However, after Barca's shock opening day defeat, Busquets should be restored to the side to inject some much needed class in the midfield., "Barcelona: The XI That Should Start Against Real Betis," 23 Aug. 2019 Today happens to be National CBD Day and there’s no time like the present to inject some soothing, rejuvenating products into your beauty routine. Dominique Hobdy, Essence, "Celebrate National CBD Day With These Top-Rated Beauty Products," 8 Aug. 2019 Raunchy bars and mature terminology: Wang likes to inject a dose of zany levity into explaining poignant matters, such as the experience of negotiating multiple worlds as an immigrant. Shirley Li, The Atlantic, "When a Lie Becomes Your Breakout Film," 14 July 2019 Also this week, Trump abandoned his controversial bid to inject a citizenship question into next year's census, instead directing federal agencies to try to compile the information using existing databases. Jamie Hancock, Dallas News, "VP Mike Pence acknowledges 'overwhelmed' immigration system as Dallas protesters hold candlelight vigil, plus more coverage," 13 July 2019 Their lobbying has forced the state’s politicians into a delicate balancing act, forming policies that keep investors willing to inject more cash into PG&E but don’t come at the expense of wildfire victims and electricity customers. Matt Wirz, WSJ, "Paul Singer’s Elliott Scores Big Win in PG&E Clash," 11 July 2019

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 2019

Time Traveler for inject

The first known use of inject was in 1601

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More Definitions for inject


How to pronounce inject (audio)

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 How to pronounce inject (audio) \
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 How to pronounce inject (audio) \

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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More from Merriam-Webster on inject

Thesaurus: All synonyms and antonyms for inject

Rhyming Dictionary: Words that rhyme with inject

Spanish Central: Translation of inject

Nglish: Translation of inject for Spanish Speakers

Britannica English: Translation of inject for Arabic Speakers

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).


not being in agreement or harmony

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