[ uhn-stop ]
See synonyms for: unstopunstopped on Thesaurus.com

verb (used with object),un·stopped, un·stop·ping.
  1. to remove the stopper from: to unstop a bottle.

  2. to free from any obstruction; open: to unstop a sewer.

  1. to draw out the stops of (an organ).

Origin of unstop

First recorded in 1350–1400, unstop is from the Middle English word unstoppen.See un-2, stop

Words Nearby unstop

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use unstop in a sentence

British Dictionary definitions for unstop


/ (ʌnˈstɒp) /

verb-stops, -stopping or -stopped (tr)
  1. to remove the stop or stopper from

  2. to free from any stoppage or obstruction; open

  1. to draw out the stops on (an organ)

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