inject

verb

in·​ject in-ˈjekt How to pronounce inject (audio)
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 campaignCurrent Biography
injectable adjective or noun
injector 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Elsewhere, Time Equities has been busy injecting new life into properties. David Moin, Footwear News, 19 May 2025 The movie opens with composer Alexandre Desplat injecting a dose of Lalo Schifrin-esque suspense into a low-altitude flight, as Korda calmly reads the sort of highly specialized nonfiction book that would put most men to sleep, when an explosion tears through the fuselage of his private plane. Peter Debruge, Variety, 18 May 2025 Two shows on Netflix last year helped inject momentum into a slow-moving legal process, and new interest in the brothers’ fate was fueled by campaigns on TikTok and other social media by younger people who felt the brothers were mistreated in the 1990s. Tim Arango, New York Times, 15 May 2025 Subcutaneous versions of drugs like Opdivo are combination products that include an additional ingredient, allowing them to be injected quickly instead of being slowly infused like the original intravenous form. Annika Kim Constantino,ashley Capoot,bertha Coombs, CNBC, 14 May 2025 See All Example Sentences for inject

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

Time Traveler
The first known use of inject was in 1601

Cite this Entry

“Inject.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inject. Accessed 24 May. 2025.

Kids Definition

inject

verb
in·​ject in-ˈjekt How to pronounce inject (audio)
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 adjective
injector noun

Medical Definition

inject

transitive verb
in·​ject in-ˈjekt How to pronounce inject (audio)
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

More from Merriam-Webster on inject

Last Updated: - Updated example sentences
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