verb in·ject \in-ˈjekt\

: 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

Full Definition of INJECT

transitive verb
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>
:  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>
in·ject·able \-ˈjek-tə-bəl\ adjective or noun
in·jec·tor \-ˈjek-tər\ noun

Origin of INJECT

Latin injectus, past participle of inicere, from in- + jacere to throw — more at jet
First Known Use: 1601
INJECT Defined for Kids


verb in·ject \in-ˈjekt\

Definition of INJECT for Kids

:  to force a fluid (as a medicine) into by using a special needle
:  to introduce as something needed or additional <He tried to inject confidence into his brother.>

Word Root of INJECT

The Latin word jacere, meaning to throw, and its form jactus give us the root ject. Words from the Latin jacere have something to do with throwing. To reject is to throw back or away. To eject is to throw out. To inject is to throw one thing into another. To project is to throw forward onto a surface.
Medical Dictionary


transitive verb in·ject \in-ˈjekt\

Medical Definition of INJECT

:  to force a fluid into (a vessel, cavity, or tissue) for preserving, hardening, or coloring structures
:  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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