radical

What could explain such radical differences?

CBS News is undergoing a pretty radical overhaul.

Here's Bill Walton, dressed in his then-radical politics.

So so much so that you are seen as this radical exception.

The point is, these people call themselves conservatives, but they're actually kind of radical.

GLORIA STEINEM: And I began to see what, of course, the radical feminists were saying in the first place, which was that it is a caste problem and that women are an oppressed group.