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View synonyms for knock the bottom out of

knock the bottom out of



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Idioms and Phrases

Also, knock the props out from under . Render invalid, undermine. For example, The discovery of another planet that might support life knocks the bottom out of many theories , or Jane's skilled debating knocked the props out from under her opponent . The first expression dates from the late 1800s, the variant from the first half of the 1900s.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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knock someone's socks offknock the living daylights out of