All beat a dead horse synonyms

verb beat a dead horse

• dwell on — to live or stay as a permanent resident; reside.
• belabor — If you say that someone belabors the point, you mean that they keep on talking about it, perhaps in an annoying or boring way.
• harp on — a musical instrument consisting of a triangular frame formed by a soundbox, a pillar, and a curved neck, and having strings stretched between the soundbox and the neck that are plucked with the fingers.
• flog a dead horse — a large, solid-hoofed, herbivorous quadruped, Equus caballus, domesticated since prehistoric times, bred in a number of varieties, and used for carrying or pulling loads, for riding, and for racing.