| verb | give an injection to “We injected the glucose into the patient's vein” |
| verb | to introduce (a new aspect or element) “He injected new life into the performance” |
| verb | force or drive (a fluid or gas) into by piercing “inject hydrogen into the balloon” |
| verb | take by injection “inject heroin” |
| verb | feed intravenously |
| verb | to insert between other elements “She interjected clever remarks” |
| injectable | adjective | (used of drugs) capable of being injected |
| injection | noun | the act of putting a liquid into the body by means of a syringe |
| injectant | noun | any solution that is injected (as into the skin) |
| injector | noun | a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.) |
| interjection | noun | an abrupt emphatic exclamation expressing emotion |
| interposition | noun | the act or fact of interposing one thing between or among others |