contravene - verb
To conflict with, to go against, to deny or oppose, as in He contravened his opponent’s position with an array of data; to violate or transgress, as in She contravened the election laws.
The Times also detailed an investment of $3.3 billion in one of the Sudan-linked firms by Berkshire Hathaway Inc., whose chief executive, Warren E. Buffett, has pledged $31 billion of his personal fortune, held in Berkshire stock, to the Gates Foundation. These investments by the foundation and by Berkshire contravened the foundation's donations to groups providing relief for Darfur refugees.
—Charles Piller “Foundations Align Investments with Their Charitable Goals” Los Angeles Times, December 29, 2007
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