/ Thesaurus / L Synonyms of lypressin Find synonyms for: Noun1. lypressin, antidiuretic, antidiuretic drug, vasoconstrictor, vasoconstrictive, pressorusage: an antidiuretic and vasoconstrictor used to treat diabetes insipidusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language