verb (used with object)
- to force (a fluid) into a passage, cavity, or tissue: to inject a medicine into the veins.
- to introduce (something new or different): to inject humor into a situation.
- to introduce arbitrarily or inappropriately; intrude.
- to interject (a remark, suggestion, etc.), as into conversation.
- (in prescriptions) an injection.
- med to introduce (a fluid) into (the body of a person or animal) by means of a syringe or similar instrument
- (foll by into) to introduce (a new aspect or element)to inject humour into a scene
- to interject (a comment, idea, etc)
- to place (a rocket, satellite, etc) in orbit
c.1600, from Latin iniectus “a casting on, throwing over,” past participle of inicere “to throw in or on,” from in- “in” (see in- (2)) + -icere, comb. form of iacere “to throw” (see jet (v.)). Related: Injectable; injected; injecting.
- To introduce a substance, such as a drug or vaccine, into a body part.
- To treat by means of injection.