conj

whereof

weh-uhr-OV

Whereof (conj) means of which, or of whom. Example: “He spoke of matters whereof he had little real knowledge.”

conj

Of which, or of whom.

"He spoke of matters whereof he had little real knowledge."

How to use whereof

Learner’s notes

In plain EnglishA formal, old-fashioned way of saying "of which" or "of whom."

When to use it

Rare, formal, and literary — most familiar from the phrase "whereof one cannot speak."

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Can you complete this real example?

He spoke of matters _____ he had little real knowledge.

From Middle English wherof, formed from "where" plus "of."

Origin: Middle English

thereof

What does “whereof” mean?

The word “whereof” means of which, or of whom. In plain terms, a formal, old-fashioned way of saying "of which" or "of whom.".

How do you pronounce “whereof”?

“Whereof” is pronounced weh-uhr-OV (/(h)wɛɹˈʌv/ in IPA).

How do you use “whereof” in a sentence?

Here is “whereof” used in a sentence: “He spoke of matters whereof he had little real knowledge.”

What part of speech is “whereof”?

“Whereof” is a conjunction.

Where does the word “whereof” come from?

The word “whereof” comes from Middle English. From Middle English wherof, formed from "where" plus "of.".

Vocabulary lists that include whereof: