灭口 mièkǒu to silence a witness Definitions Defs Origin Strokes Stroke Words Sentences Sents mièkǒu to silence a witness 灭 滅 miè verb to exterminate to wipe out or cause to stop existing; to destroy or eliminate completely口 kǒu nounverb speech speech; words; one's tone of voice or accentmièkǒu to shut someone up 灭 滅 miè verb to exterminate to wipe out or cause to stop existing; to destroy or eliminate completely口 kǒu noun mouth mouth of a person or animal; (bound form) oral