WordReference Random House Learner's Dictionary of American English © 2019
quash /kwɑʃ/USA pronunciation   v. [+ object]
  1. to put down or suppress completely;
    subdue:The dictator was able to quash the rebellion.
  2. to set aside or make void or annul:The judge quashed the verdict.

WordReference Random House Unabridged Dictionary of American English © 2019
quash  (kwosh),USA pronunciation  v.t. 
  1. to put down or suppress completely;
    subdue:to quash a rebellion.
  2. to make void, annul, or set aside (a law, indictment, decision, etc.).
  • Late Latin cassāre to annul, derivative of Latin cassus empty, void
  • Latin quassāre to shake (frequentative of quatere to shake; compare concussion); in part
  • Old French quasser, in part
  • Middle English quashen to smash, break, overcome, suppress 1300–50
    • 1.See corresponding entry in Unabridged crush, squash, quench, repress.

Collins Concise English Dictionary © HarperCollins Publishers::

quash /kwɒʃ/ vb (transitive)
  1. to subdue forcefully and completely; put down; suppress
  2. to annul or make void (a law, decision, etc)
  3. to reject (an indictment, writ, etc) as invalid
Etymology: 14th Century: from Old French quasser, from Latin quassāre to shake

'quash' also found in these entries:

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