[ in-jekt ]
See synonyms for inject on
verb (used with object)
  1. to force (a fluid) into a passage, cavity, or tissue: to inject a medicine into the veins.

  2. to introduce (something new or different): to inject humor into a situation.

  1. to introduce arbitrarily or inappropriately; intrude.

  2. to interject (a remark, suggestion, etc.), as into conversation.

Origin of inject

First recorded in 1590–1600; from Latin injectus, past participle of in(j)icere “to throw in,” equivalent to in- “in” + -jec- (combining form of jac- “to throw”) + -tus past participle suffix; see in-2

Other words from inject

  • re·in·ject, verb (used with object)
  • un·in·ject·ed, adjective

Other definitions for inject. (2 of 2)


  1. (in prescriptions) an injection.

Origin of inject.

From the Latin word injectiō Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use inject in a sentence

British Dictionary definitions for inject


/ (ɪnˈdʒɛkt) /

  1. med to introduce (a fluid) into (the body of a person or animal) by means of a syringe or similar instrument

  2. (foll by into) to introduce (a new aspect or element): to inject humour into a scene

  1. to interject (a comment, idea, etc)

  2. to place (a rocket, satellite, etc) in orbit

Origin of inject

C17: from Latin injicere to throw in, from jacere to throw

Derived forms of inject

  • injectable, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012