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See more synonyms on Thesaurus.com
  1. something that produces sparks.
  2. an apparatus used to test insulation on wires.
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Origin of sparker1

First recorded in 1860–65; spark1 + -er1


  1. a lover, swain, or beau.
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Origin of sparker2

An Americanism dating back to 1825–35; spark2 + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sparker

Historical Examples

  • I stayed with the Sparker outfit six years, and then my father died.

    Sunny Slopes

    Ethel Hueston

  • Someone with a powerful sending set had cut loose into the air with his sparker.

    On the Yukon Trail

    Roy J. Snell

  • I was speeding a little—about one city block every five minutes—on Thirteenth Street, when my sparker stopped sparking.