27 Moby Thesaurus words for "harp on": 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