Breadcrumb Home > Thesaurus Cite Synonyms of mother-in-law's tongue Find synonyms for: Noun1. mother-in-law's tongue, snake plant, Sansevieria trifasciata, sansevieria, bowstring hempusage: stemless plant having narrow rigid leaves often cultivated as a houseplant2. dumb cane, mother-in-law plant, mother-in-law's tongue, Dieffenbachia sequine, arum, aroidusage: an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the nameWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: erpsichore Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index