v.
- introduce (a liquid, especially a drug or vaccine) into the body with a syringe.
▸administer a drug or medicine to (a person or animal) in this way.
- introduce or feed (something) under pressure into another substance.
- introduce (a new quality or element):
she tried to inject scorn into her tone.
Derivative
- injectable adj. & n.
- injector n.
Etymology
C16: from L. inject-, inicere ‘throw in’.