Kakistocracy

from The Collaborative International Dictionary of English v.0.48

Kakistocracy \Kak`is*toc"ra*cy\
   (k[a^]k`[i^]s*t[o^]k"r[.a]*s[y^]), n. [Gr. ka`kistos worst +
   kratei^n to rule.]
   Government by the worst men.
   [1913 Webster]