The Collaborative International Dictionary of English v.0.48:
Misology \Mi*sol"o*gy\ (m[i^]*s[o^]l"[-o]*j[y^]), n. [Gr. misologi`a; misei^n to hate + lo`gos discourse.] Hatred of argument or discussion; hatred of enlightenment. --G. H. Lewes. [1913 Webster]WordNet (r) 3.0 (2006):
misology n 1: hatred of reasoning