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Synonyms

root out

British  

verb

  1. (tr, adverb) to remove or eliminate completely

    we must root out inefficiency

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

root out Idioms  
  1. Search for, seek to discover, as in He was trying to root out the reason for her long absence. This idiom alludes to the way hogs dig by using their snouts. [Mid-1800s]