Mrs. Arafat is a merciless critic not of her husband but of his government, willing to do battle on Palestinian television with advisers she believes are dragging down Mr. Arafat and the Palestinian people.

These people, she thought, would be merciless critics.

Eliot was often a shrewd and merciless critic in essays published in magazines and journals.

He's a bristly character and has been a merciless critic of the East German Government for failures to realize its Marxist aspirations.

He could be a merciless critic of what he considered poorly done archaeology or sloppy scholarship, both verbally and in print.

Though Brahms was a merciless critic of Jenner's compositional attempts, he took great care over his welfare.

Toby Weaver, Deputy Secretary at the Department of Education and Science and a merciless private critic of successive Ministers, found in him 'the first person to stop talking about comprehensive reorganisation and to do something about it'.

And over the past decade-especially since he manfully renounced his initial support of the Iraq war-Sullivan has become one of the more merciless critics of the increasingly unhinged "movement" conservatism of his adopted country.

He's just a nicely wrapped package," Andre Piontkovsky, a political analyst and one of Mr. Putin's most merciless critics, said in an interview today.

She was a merciless critic, and a strict disciplinarian.