antiquarianly,adv.rare—1.|æntɪˈkwɛərɪənlɪ| [f. antiquarian + -ly2.] After the manner of an antiquarian. 1772H. Walpole Lett. to C'tess Ossory (1848) I. 37, I have just reflected antiquarianly, that pale as ashes must be one of our most ancient proverbs and in use before coals.