injected; injecting; injects
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
Current BiographyExamples 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
That had Simone Fontecchio injected into the starting lineup for the eighth time this season, starting alongside Adebayo, Wiggins, Pelle Larsson and Davion Mitchell.
—Ira Winderman, Sun Sentinel, 4 Apr. 2026
Symptoms of ricin poisoning vary depending on how the person came into contact with the substance – whether ingested, inhaled or injected.
—Barbie Latza Nadeau, CNN Money, 3 Apr. 2026
Basically, this treatment entails using a sample of your own blood to create a more concentrated version that’s rich in growth factors — then, that version is injected into your scalp to give your hair follicles a boost.
—Rebecca Strong, USA Today, 3 Apr. 2026
Countless Americans are injecting it anyway.
—Vikas Patel, STAT, 3 Apr. 2026
See All Example Sentences for inject
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Ira Winderman, Sun Sentinel, 4 Apr. 2026
Symptoms of ricin poisoning vary depending on how the person came into contact with the substance – whether ingested, inhaled or injected.
—Barbie Latza Nadeau, CNN Money, 3 Apr. 2026
Basically, this treatment entails using a sample of your own blood to create a more concentrated version that’s rich in growth factors — then, that version is injected into your scalp to give your hair follicles a boost.
—Rebecca Strong, USA Today, 3 Apr. 2026
Countless Americans are injecting it anyway.
—Vikas Patel, STAT, 3 Apr. 2026
See All Example Sentences for inject
Cite this Entry
“Inject.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inject. Accessed 5 Apr. 2026.
Copy CitationKids 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
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
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