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Synonyms

wherein

American  
[wair-in, hwair-] / wɛərˈɪn, ʰwɛər- /

conjunction

  1. in what or in which.


adverb

  1. in what way or respect?

wherein British  
/ wɛərˈɪn /

adverb

  1. in what place or respect?

"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

pronoun

  1. in which place, thing, etc

"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

Etymology

Origin of wherein

First recorded in 1200–50, wherein is from the Middle English word wherin. See where, in

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Citizenship Clause says that those born here and subject to U.S. jurisdiction are citizens of the U.S. and “of the State wherein they reside.”

From The Wall Street Journal • Mar. 31, 2026

A European Commission notice from 2021 defines a conflict of interest as a situation wherein a "financial actor's" impartiality is compromised "for reasons involving... economic interest or any other direct or indirect personal interest".

From Barron's • Mar. 12, 2026

Some countries delineate air identification defence zones, wherein they require foreign planes to identify themselves.

From BBC • Dec. 10, 2025

“The Social Network” alum added that prospective donors need not worry about forking over a kidney and later facing a situation wherein a family member urgently needs one.

From Los Angeles Times • Oct. 31, 2025

DeSheim made a speech wherein he said that he was not at the theater to direct it, but to help the Negroes to direct it.

From "Black Boy" by Richard Wright