antiˈseptically,adv. [f.prec. + -ly2.] In an antiseptic manner, by means of antiseptics. 1881Standard 20 May 3/3 The transplantation [of bone] must be conducted antiseptically.1882Ld. Wolseley ibid. 15 Sept. 5/5 All treated antiseptically; the antiseptics sent will suffice.