/ Thesaurus / T Synonyms of thaliacea Find synonyms for: Noun1. Thaliacea, class Thaliacea, classusage: small class of free-swimming tunicates; sometimes classified as an orderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language