(intransitive) To take or be administered something by means of injection, especially medicine or drugs.
(obsolete, transitive) To cast or throw; used with on.
(transitive) To administer an injection to (someone or something), especially of medicine or drugs.
(transitive) To introduce (something) suddenly or violently.
(transitive) To push or pump (something, especially fluids) into a cavity or passage.
(transitive, computing) To introduce (code) into an existing program or its memory space, often without tight integration and sometimes through a security vulnerability.
To introduce or add (something that is different or foreign).
