Privacy in negotiation is essential because piecemeal comments undermine trust, harden positions and inflame emotional reactions.

Cameron's comments are not helpful and simply undermine these efforts.

This comment crassly undermines the significance of backstage craftsmanship and production-specific interpretation in its cultural setting.

The constant comments of the Romans about Cleopatra often undermine her, representing the Roman thought on the foreign and particularly of Egyptians.

The comments may undermine David Cameron and other ministers, who earlier this week unveiled proposals designed to boost housing ownership as part of the Government's growth strategy.

Their anti-war comments both undermine our troops' morale and encourage our enemies by creating a picture of a divided front.

He also says that Cameron's comments undermine what he said earlier about partisanship.

Wright felt that these comments undermined the increased enrollment of women at culinary schools across the United Kingdom.

His comments have undermined the more diplomatic efforts of his majority leader, Thomas S. Foley of Washington, who is the lead Democratic negotiator.

You might find this comment undermines much of your others :)