Heres how I define Liberal:

People who follow the Liberal ideology, this mostly involves "free market" capitalism as defined by classical liberal thinkers. Today its a violent imperialist ideology that supports the US status quo. Both parties in the US are Liberal as are the Libertarians, simply different flavors of liberal.

Now as for me, im a Anarcho-Syndicalist. If you want to learn more about my beliefs read these: One Big Union and Think it Over