/ Thesaurus / G Synonyms of genus paramecium Find synonyms for: Noun1. genus Paramecium, protoctist genususage: freshwater ciliate with an oval body and long deep oral grooveWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language