/ Thesaurus / B Synonyms of burdensomeness Find synonyms for: Noun1. burdensomeness, heaviness, onerousness, oppressiveness, difficulty, difficultnessusage: unwelcome burdensome difficultyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language