unstop

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ʌnˈstɒp/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ʌnˈstɑp/ ,USA pronunciation: respelling(un stop′)

Inflections of 'unstop' (v): (⇒ conjugate)
unstops
v 3rd person singular
unstopping
v pres p
unstopped
v past
unstopped
v past p

WordReference Random House Learner's Dictionary of American English © 2026
un•stop /ʌnˈstɑp/USA pronunciation   v. [~ + object], -stopped, -stop•ping. 
  1. to remove the stopper from:to unstop a jug.
  2. to free from anything that blocks something;
    open:to unstop a toilet.

WordReference Random House Unabridged Dictionary of American English © 2026
un•stop  (un stop′),USA pronunciation v.t., -stopped, -stop•ping. 
  1. to remove the stopper from:to unstop a bottle.
  2. to free from any obstruction;
    open:to unstop a sewer.
  3. Music and Danceto draw out the stops of (an organ).
  • Middle English unstoppen. See un-2, stop 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::
unstop /ʌnˈstɒp/ vb ( -stops, -stopping, -stopped) (transitive)
  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)
'unstop' also found in these entries (note: many are not synonyms or translations):
unstoppable - unstopper

Forum discussions with the word(s) "unstop" in the title:


Look up "unstop" at Merriam-Webster
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