Synonyms to dully

coldly, antagonistically, apathetically, chillily, cold-bloodedly, coldheartedly, coolly, deadpan, dispassionately, dormantly, frostily, halfheartedly, heartlessly, heavily, hostilely, impassively, in cold blood, inactively, indifferently, inertly, inimically, languidly, languorously, latently, lifelessly, lukewarmly, passively, perfunctorily, phlegmatically, sluggishly, spiritlessly, stagnantly, statically, stoically, stolidly, torpidly, unamiably, unamicably, uncordially, unemotionally, unfeelingly, ungenially, unpassionately, with dry eyes, with indifference, with utter indifference, endlessly, ad infinitum, again and again, at a stretch, boresomely, boringly, boundlessly, ceaselessly, connectedly, constantly, continually, continuously, cumulatively, cyclically, drearisomely, eternally, everlastingly, fatiguingly, forever, harpingly, illimitably, immeasurably, immensely, in perpetuity, incalculably, incessantly, incomprehensibly, indestructibly, infinitely, innumerably, interminably, irksomely, limitlessly, measurelessly, monotonously, never-endingly, on a stretch, on and on,