← BackshareGuessbalderdash/ˈbɔldərˌdæʃ/nounNonsense; silly or meaningless talk or writing.Don't listen to his balderdash; he doesn't know what he's talking about.The article was full of balderdash and false claims.She dismissed the rumor as pure balderdash.SynonymsrubbishnonsensegibberishAntonymssense