"That's not true!" (4)
(Other definitions for lie that I've seen before include "Tell untruths" , "Fabrication" , "Prevarication" , "False statement" , "Rest; deception" .)
(Other definitions for lies that I've seen before include "pork pies" , "Reclines" , "Wallows" , "Tall stories" , "Assumes a horizontal position" .)