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overzealous

[oh-ver-zel-uh s]
adjective
  1. too zealous: overzealous for reform.
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Origin of overzealous

First recorded in 1625–35; over- + zealous
Related formso·ver·zeal·ous·ly, adverbo·ver·zeal·ous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for overzealousness

overzealous

adjective
  1. excessively zealous
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for overzealousness

overzealous

adj.

also over-zealous, 1630s, from over- + zealous. Related: Overzealously; overzealousness.

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Online Etymology Dictionary, © 2010 Douglas Harper