Definition of "slippage" [slip•page]

• The act or an instance of slipping, especially movement away from an original or secure place. (noun)
• The amount or extent of slipping. (noun)
• A decline in level, performance, or achievement. (noun)
• Loss of motion or power because of slipping. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "That kind of slippage is repeatedly justified by saying that there's no time for deliberations, for archaic constitutional procedures."
• "Most of the president's slippage is among Republicans; their approval of his work overall has dropped by 16 points since April, from 36 percent then to 20 percent now."
• "Most of the president's slippage is among Republicans; their approval of his work overall has dropped by 16 points since April and this from ABC news poll."