Entry 1 sense Webster, 1913 Antilogy /(ăn*tĭl"ō̇*jy̆)/ · An·til·o·gy · IPA /ænˈtɪləd͡ʒi/ 01 n. A contradiction between any words or passages in an author. pl. Antilogies ((-jĭz)) 1. A contradiction between any words or passages in an author.