preˈdestinately,adv. [f. predestinate ppl. a. + -ly2.] In a ‘predestinate’ manner; by predestination. 1579J. Jones Preserv. Bodie & Soule i. xxxix. 87 All thyngs happen of fatal necessitie, predestinately.1890Eng.Illustr.Mag. Nov. 128 Mine is essentially, predestinately, and unchangeably good.