wherein

American  

[wair-in, hwair-] / wɛərˈɪn, ʰwɛər- /

conjunction

1. in what or in which.

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adverb

1. in what way or respect?

wherein British  

/ wɛərˈɪn /

adverb

1. in what place or respect?

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pronoun

1. in which place, thing, etc

Etymology

Origin of wherein

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

Example Sentences

The Citizenship Clause states: “All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside.”

From The Wall Street Journal • Apr. 1, 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

But Ella’s family life has always been chaotic, as we see in flashbacks to her teenage years, wherein our narrator describes how Ella experiences seeing other happy families — as a stab in the heart.

From Los Angeles Times • Dec. 12, 2025

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

From BBC • Dec. 10, 2025

All I wanted was an old-fashioned Teenager Walkout, wherein I stomp out of the room and slam the door to my bedroom and turn up The Hectic Glow and furiously write a eulogy.

From "The Fault in Our Stars" by John Green