/ Thesaurus / B Synonyms of barthold george niebuhr Find synonyms for: Noun1. Niebuhr, Barthold George Niebuhrusage: German historian noted for his critical approach to sources and for his history of Rome (1776-1831)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language