Definition of "preposterous" []

• Contrary to nature, reason, or common sense; absurd. See Synonyms at foolish. (adjective)

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.

• "Mr. Pawlenty attributed the current impasse on what he called "preposterous" proposed spending increases."
• "I knew Aunt Agatha would be taking advantage of my long absence to retail what she termed my preposterous scheme to Uncle Keith, and that I should have the benefit of his opinion on my return, and this thought made me restless."
• "How preposterous is Congressional oversight of U.S. intelligence?"