/ Thesaurus / I Synonyms of intravenous injection Find synonyms for: Noun1. intravenous injection, injection, shotusage: an injection into a veinWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language