/ Thesaurus / R Synonyms of rockingham Find synonyms for: Noun1. Rockingham, Second Marquis of Rockingham, Charles Watson-Wentworthusage: English statesman who served as prime minister and who opposed the war with the American colonies (1730-1782)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language