fierce critic

Some of the policy changes have surprised even the department's fiercest critics.

Really, all of these people - including many of his most fierce critics - are just wrong?

But even some of the fiercest European critics admit that they have little leverage.

Even its fiercest critics admit that it has an edge on Windows 95.

Even some fierce critics of unions acknowledged that last year's growth was impressive.

Some of the most fierce critics of the wealthy world at their conference today were its own leaders.

It was a proposal that pleased some of her union's fiercest critics.

And the fiercest critic of the $8.9 billion Mexican restaurant industry responded with a love letter.

Thompson went on to become a fierce critic of Nixon, both during and after his presidency.

Never mind that he was the country's most famous journalist and fiercest critic of government corruption.