/ Thesaurus / L Synonyms of lonesomeness Find synonyms for: Noun1. aloneness, loneliness, lonesomeness, solitariness, disposition, temperamentusage: a disposition toward being aloneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language