selectively,adv.|sɪˈlɛktɪvlɪ| [f. selective a. + -ly2.] In a selective manner; by selection. 1651Biggs New Disp. ⁋113 They..cannot selectively separate and draw forth one humour, from another.1897Allbutt's Syst.Med. II. 826 The respiratory centre is not selectively affected.