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convulse

con·vulse

convulse

 
pronunciation:
kn vuhls
features:
Word Explorer
part of speech: transitive verb
inflections: convulsed, convulses, convulsing
definition 1: to cause to shake heavily and uncontrollably, as with laughter, pain, or fear.
definition 2: to cause to have involuntary spasms or muscle contractions.
definition 3: to throw into turmoil; agitate.
a war that convulsed the world
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See
  fear