wherein
- 01 C1 Advanced
conj.in which; used to describe a situation or document where something is found.
conj.in which; used to introduce a relative clause referring to a situation, document, or agreement.
Simple“They signed a new contract wherein the terms of payment were clearly stated.”
In context“The committee published a comprehensive report wherein they detailed the systemic failures that led to the financial crisis.”
UsageUsually follows a noun like 'contract', 'report', 'system', or 'agreement'.
Synonymsin whichwhereby - 02 C2 Proficiency
adv.in what way or in what part.
adv.in what way, respect, or place; used to ask for specific details within a larger context.
Simple“Wherein does the problem lie?”
In context“The philosopher questioned wherein the true value of human life resides if not in service to others.”
Teacher's tipThis sense is largely archaic or restricted to very formal philosophical and legal inquiries; modern speakers prefer 'where' or 'in what way'.
Synonymshowin what way
“Many of these cables have what are called dark fibers, wherein one of the glass fibers lays dormant, in case more bandwidth is needed in the future.”
“It’s a deeply stupid high-concept feature wherein a bunch of bourgie wedding guests run afoul of an errant great white shark.”
From Middle English wherin; equivalent to where- + in.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.