The Collaborative International Dictionary
Supralapsarian
Supralapsarian \Su`pra*lap*sa"ri*an\, n. [Supra- + lapse: cf. F. supralapsaire.] (Eccl. Hist.) One of that class of Calvinists who believed that God's decree of election determined that man should fall, in order that the opportunity might be furnished of securing the redemption of a part of the race, the decree of salvation being conceived of as formed before or beyond, and not after or following, the lapse, or fall. Cf. Infralapsarian.
Supralapsarian
Supralapsarian \Su`pra*lap*sa"ri*an\, a. Of or pertaining to the Supralapsarians, or their doctrine.
Douglas Harper's Etymology Dictionary
supralapsarian
1630s, with -ian + supralapsary, from supra- + Latin lapsus (see lapse (n.)). The opposite of infralapsarian.
Wiktionary
supralapsarian
n. A follower of supralapsarianism.