enˌcomiˈastically,adv.rare. [f.prec. + -ly2.] In an encomiastical manner. a1631Donne Lett. (1651) 32 If I have not spoken of your Majesty encomiastically.1871Athenæum 9 Sept. 339 A short notice..written in good taste, if a little too encomiastically.