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bog down

British  

verb

  1. to impede or be impeded physically or mentally

"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
bog down Idioms  

  1. Become stuck, be unable to progress, as in Their research bogged down because they lacked the laboratory expertise. This expression transfers sinking into the mud of a swamp to being hampered or halted. [First half of 1900s]

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.