where·​in | \hwer-ˈin, wer-, (ˌ)(h)wər-\

Definition of wherein 

(Entry 1 of 2)

: in what : in what particular or respect wherein was I wrong



Definition of wherein (Entry 2 of 2)

1a : in which : where the city wherein he lives

b : during which

2 : in what way : how showed me wherein I was wrong

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Synonyms for wherein

Synonyms: Adverb

how, where

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Examples of wherein in a Sentence


Wherein lies the secret to the company's success? wherein this document can be demonstrated to be out of compliance with current standards, that section will be considered null and void


the city wherein he lives There was a period in her life wherein she took no active part in politics. He showed me wherein I was wrong.
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Recent Examples on the Web: Adverb

The newspaper industry is partly a victim of outmoded business models, wherein Google and Facebook have in recent years replaced Craigslist as the big baddie stealing all of our ad revenue. John Wenzel, The Atlantic, "The Gutting of The Denver Post is a Death Knell for Local News," 11 May 2018 Pichai’s new guidelines came amid an internal revolt over Google’s involvement in Project Maven—a Defense Department initiative wherein Google’s A.I. was used to help improve the accuracy of drone strikes. Maya Kosoff, The Hive, "Google Tries Being Slightly Less Evil," 8 June 2018 The first stage involves groups of experts and activists calling attention to a public problem, which leads quickly to the second stage, wherein the alarmed media and political class discover the issue. Steven F. Hayward, WSJ, "Climate Change Has Run Its Course," 4 June 2018 The trance icon debuted his latest production setup, a custom booth wherein he can be strapped and spun around in any manner of directions. Kat Bein, Billboard, "Armin van Buuren DJs Upside-Down in Custom Circular DJ Booth: Watch," 29 Jan. 2018 Diabetic retinopathy is a complication of diabetes, wherein the central part of the retina becomes damaged, causing loss to the center of the field of vision. Peter Bright, Ars Technica, "Microsoft continues its quest to bring machine learning to every application," 7 May 2018 Most television shows are elaborate carrot-and-stick games wherein the 'secret' is never revealed! Rebecca Farley, refinery29.com, "Get Ready To Be Confused, The OA Has Finished Filming Season 2," 1 May 2018 There are modular saws that look a bit like a hacksaw, wherein the blade can be swapped out for other purposes. John Wenz, Popular Mechanics, "16 Tools You Need When You Live Off the Grid," 3 July 2018 For example, an armed Osprey would be better positioned to prevent or stop swarming small boat attack wherein enemy surface vessels attacked the aircraft. Kris Osborn, Fox News, "Marine Corps arms Osprey with rockets and missiles - adds assault missions," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wherein.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of wherein


13th century, in the meaning defined above


14th century, in the meaning defined at sense 1a

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Statistics for wherein

Last Updated

30 Nov 2018

Look-up Popularity

Time Traveler for wherein

The first known use of wherein was in the 13th century

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More Definitions for wherein



English Language Learners Definition of wherein

 (Entry 1 of 2)

: in what way : in what



English Language Learners Definition of wherein (Entry 2 of 2)

: in which

: during which

: in what way


where·​in | \hwer-ˈin, wer-\

Kids Definition of wherein

1 : in what way

2 : in which

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More from Merriam-Webster on wherein

Rhyming Dictionary: Words that rhyme with wherein

Thesaurus: All synonyms and antonyms for wherein

Spanish Central: Translation of wherein

Nglish: Translation of wherein for Spanish Speakers

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