无声无臭 wúshēngwúxiù obscure Origin Definitions Defs Strokes Stroke Words Sentences Sents 无声 無聲 wúshēng adjective silent silent; noiseless; having no sound无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less臭 xiù smell (bound form) smell; odor; scent