Inject Definition

ĭn-jĕkt

injected, injecting, injects

verb

injected, injecting, injects

To force or drive (a fluid) into something.

Inject fuel into an engine cylinder; inject air into a liquid mixture.

American Heritage

To force or drive (a fluid) into some passage, cavity, or chamber; esp., to introduce or force (a liquid) into some part of the body by means of a syringe, hypodermic needle, etc.

Webster's New World

To fill by, or subject to, injection.

Webster's New World

To introduce (a missing feature, quality, etc.)

To inject a note of humor into a story.

Webster's New World

To introduce into conversation or consideration.

Tried to inject a note of humor into the negotiations.

American Heritage

Synonyms:

Antonyms:

Antonyms:
take out

Origin of Inject

Latin inicere iniect- to throw in in- in in–² iacere to throw yē- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From the participle stem of Latin iniciō (“I throw in”), from in- + iaciō (“I throw”).

From Wiktionary