Wiktionary
a. Opposed to the tenets of democracy.
Usage examples of "antidemocratic".
Some people say that the American is fouling his own image in South America -- that instead of being a showpiece for "democracy," he not only tends to ape the wealthy, antidemocratic Latins, but sometimes beats them at their own game.
A person who says, "I love my country--right or wrong" or "America--love it or leave it" may be a flag-waving, patriotic speech-making politician who is secretly an antidemocratic authoritarian (similar in some ways to Hitler).
One only has to think of any antidemocratic, antirational or antihumane idea out of the Dark Ages,' Mama Sutra said, and one can immediately think of some popular religious columnist or some movie star who is blatantly expounding it and calling it "Americanism.