List of harp on synonyms and harp on related words.
accent, accentuate, always trot out, belabor, dwell on, dwell upon, emphasize, give emphasis to, hammer away at, highlight, insist upon, italicize, labor, overaccentuate, overemphasize, overstress, place emphasis on, point up, punctuate, rub in, spotlight, star, stress, thresh over, underline, underscore, upon