/ Thesaurus / A Synonyms of archeobacteria Find synonyms for: Noun1. archaebacteria, archaebacterium, archaeobacteria, archeobacteria, moneran, moneronusage: considered ancient life forms that evolved separately from bacteria and blue-green algaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language