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See more synonyms for unstop 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.
  3. to draw out the stops of (an organ).
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Origin of unstop

First recorded in 1350–1400, unstop is from the Middle English word unstoppen. See un-2, stop
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for unstopped

accessible, wide, clear, free, susceptible, bloodstained, gory, grisly, release, expand, unlock, unravel, loosen, exposed, stripped, bare, rent, removed, unblocked, unlocked

Examples from the Web for unstopped

Historical Examples of unstopped

  • He rose as before with alacrity, rung his bell in reply, and unstopped his needle.

    The Iron Horse

    R.M. Ballantyne

  • It was not difficult for him to hear through the unstopped logs.

  • If the bottle be stopped, the colour will disappear; but when unstopped, it will return.

  • Before he put the instrument under his chin he unstopped his ears.

  • He unstopped his canteen and pressed the nozzle to Manners' lips.

    Aladdin O'Brien

    Gouverneur Morris

British Dictionary definitions for unstopped


  1. not obstructed or stopped up
  2. phonetics denoting a speech sound for whose articulation the closure is not complete, as in the pronunciation of a vowel, fricative, or continuant
  3. prosody (of verse) having the sense of the line carried over into the next
  4. (of an organ pipe or a string on a musical instrument) not stopped
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verb -stops, -stopping or -stopped (tr)
  1. to remove the stop or stopper from
  2. to free from any stoppage or obstruction; open
  3. to draw out the stops on (an organ)
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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