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[uhn-klog, -klawg] /ʌnˈklɒg, -ˈklɔg/
verb (used with object), unclogged, unclogging.
to free of an obstruction or impediment:
to unclog a drain; to unclog rush-hour traffic.
verb (used without object), unclogged, unclogging.
to become unclogged:
I can't wash the dishes until the drain unclogs.
Origin of unclog
1600-10; un-2 + clog
Related forms
unclogger, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for unclog
  • Reward patient capital in start-ups could unclog small business investment.
  • Until you correct the mistrust and fear that prevents financial firms from engaging with one another, you can't unclog the system.
  • Whether it might be used to remove gravy stains or unclog a drain remains untested.
  • They stuck a wire through the valve to unclog it, but still nothing happened.
  • Canadians reckon there are secure ways to unclog the border.
  • Hydrogen peroxide not recommended to unclog failed drainfields.
  • Use a mechanical snake or plunger to unclog the drain.
  • Most people are familiar with plumbers who come to their home to unclog a drain or install an appliance.
  • Clean and unclog rain gutters which are prime breeding areas for mosquitoes.
  • High pressure cleaning systems are readily applicable to unclog frozen slurry lines.
British Dictionary definitions for unclog


verb -clogs, -clogging, -clogged
(transitive) to remove an obstruction from (a drain, etc)
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
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