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See more synonyms for sparkplug on Thesaurus.com
verb (used with object), spark·plugged, spark·plug·ging. Informal.
  1. to lead, inspire, or animate something or someone.
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Origin of sparkplug

v. use of spark plug
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for sparkplug

ringleader, malcontent, reactionary, radical, firebrand, demagogue, propagandist, zealot, anarchist, troublemaker, leftist, meddler, knave, rabble-rouser, punk, incendiary, inciter, agitator, mischief-maker, hellion

Examples from the Web for sparkplug

Historical Examples of sparkplug

  • Burns picked up a sparkplug from the office desk as he spoke.

    Red Pepper Burns

    Grace S. Richmond