Sing along silently

• Audio and video alignment of speech
• Milli Vanilli deception
• Fake it, in a way
• Move mouth to fit a soundtrack
• Not really sing
• Drag show performance
• Sing silently, in a way
• Align mouth move­ments with recorded speech
• Pretend, in a way

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of lip sync English) vb. (alternative spelling of lip-sync English)