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.

verb

take out

verb

add , drag in , force into , imbue , implant , impregnate , include , infuse , insert , instill , interjaculate , interject , place into , squeeze in , stick in , throw in , give a shot , inoculate , jab , mainline , shoot , vaccinate , interlard , interpolate , interpose , force , introduce , pump , put