/ Thesaurus / A Synonyms of arbor vitae Find synonyms for: Noun1. arborvitae, conifer, coniferous treeusage: any of several Asian and North American conifers of the genera Thuja and ThujopsisWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language