/ Thesaurus / B Synonyms of black mamba Find synonyms for: Noun1. black mamba, Dendroaspis augusticeps, mambausage: a highly venomous southern African mamba dreaded because of its quickness and readiness to biteWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language