: too zealous : having or showing too much zeal : excessively eager, enthusiastic, or fervent
overzealous parents
overzealous workers
… another version of the overzealous monitoring that has produced kids who leave for college without ever having crossed the street by themselves.Peggy Orenstein
The village saw the orders as unwarranted interference from an overzealous state bureaucracy and promptly appealed.Joe Treen and S. Avery Brown
overzealously adverb
… has been frequently accused by its critics of acting recklessly, overzealously, and even, at times, illegally. Steve Lustgarden
overzealousness noun
Jewell was annoyed that press descriptions of him always emphasized his "overzealousness"; he considers himself a man of details. Marie Brenner

Examples of overzealous in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The service is a little overzealous, if extremely well-meaning. Condé Nast, Condé Nast Traveler, 28 May 2026 From overzealous in-laws-to-be to an ancient family curse, Rachel eventually learns the hard way that Nicky is not the one. Brian Davids, HollywoodReporter, 10 June 2026 We’ve all been disappointed by hair products before, whether our curls were weighed down or our conditioner couldn’t replenish the moisture an overzealous shampoo formula stripped from our strands. Marci Robin, Allure, 19 May 2026 Some associations would deny the requests over invalid online registrations, and some residents would accuse their community of overzealous rule enforcement. Shari Wald Garrett, Miami Herald, 18 June 2026 See All Example Sentences for overzealous

Word History

First Known Use

circa 1628, in the meaning defined above

Time Traveler
The first known use of overzealous was circa 1628

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Cite this Entry

“Overzealous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overzealous. Accessed 8 Jul. 2026.

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