/ Thesaurus / E Synonyms of eucalyptus tree Find synonyms for: Noun1. eucalyptus, eucalypt, eucalyptus tree, gum tree, gumusage: a tree of the genus EucalyptusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language