The Collaborative International Dictionary of English v.0.48:
Antipodean \An`ti*po"de*an\, a. Pertaining to the antipodes, or the opposite side of the world; antipodal. [1913 Webster]WordNet (r) 3.0 (2006):
antipodean adj 1: relating to the antipodes or situated at opposite sides of the earth; "antipodean latitudes"; "antipodal regions of the earth"; "antipodal points on a sphere" [syn: antipodal, antipodean]