conj

wherein

weh-uh-RIHN

conj

In which; during which.

"This is the chapter wherein the hero finally returns home."

adv

In what way.

"Wherein does the true problem lie?"

How to Use Wherein

Learner’s notes

In plain EnglishA formal word meaning "in which."

When to use it

Formal and mostly literary or legal in tone.

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This is the chapter _____ the hero finally returns home.

From Middle English wherin, formed from "where-" plus "in."

vein rein bein Hein Fein Mein stein Klein herein protein therein Hussein