English Reference

Word

thereof

Phoneticsthere·of

US/ˌðɛˈɹəv/

UK/ðeəɹˈɒv/

Definition

adv. of the thing that was just mentioned.

adv. Of the thing or things previously mentioned; functions as a formal substitute for 'of it' or 'of them'.

Examples

“The contract covers the house and all parts thereof.”

“The committee will review the proposal and any amendments thereof before the final vote on Friday.”

“The defendant was charged with the theft of the vehicle and the subsequent destruction thereof, leading to a significant increase in the recommended sentence.”

Examples

simple

“The contract covers the house and all parts thereof.”

contextual

“The committee will review the proposal and any amendments thereof before the final vote on Friday.”

complex

“The defendant was charged with the theft of the vehicle and the subsequent destruction thereof, leading to a significant increase in the recommended sentence.”

Usage

Typically follows the noun it modifies rather than preceding it.

Teaching tip

This word is almost exclusively found in legal, academic, or very formal business writing; using it in casual conversation will sound unnatural.

Real-World Examples

“She said they made sense given “the state of our negotiations with the United States right now, or lack thereof”.”
Al Jazeera · 19 Sept 2026
“I n the summer of 1663 in Cambridge, young Isaac Newton walked over to the fair on Stourbridge Common and bought himself a new book, Palmistry, the Secrets Thereof Disclosed .”
Aeon · 8 Sept 2026

Etymology

From Middle English thereof, therof, ther-of, ther of, from Old English þǣrof; equivalent to there + of. Compare Swedish därav.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Synonyms

of itof that

Collocations

thereof lack

Related words

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated
Register
Formal, Academic

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English Reference