English Dictionary

mumblage

名詞

頻度副詞 俗語 不可算名詞

(slang, often computing) Mumbled or imprecise remarks, especially remarks which are trivial or unreliable.

日本語の意味

むにゃむにゃとした、はっきりしない発言（特に、些細で信用できないもの） / あいまいで不明瞭な、取るに足らない発言

During the meeting, half of what he said was mumblage, so we couldn't trust his suggestions.

会議では、彼の発言の半分がもごもごした不明瞭な発言で、彼の提案は信用できませんでした。

意味（1）

(slang, often computing) Mumbled or imprecise remarks, especially remarks which are trivial or unreliable.

As to the mumblage on race, since there exists no well defined meaning of the word, depending on how one defines it, one can imagine a group which will prove one's point, whichever one wishes to prove.