whereof

1 of 2

conjunction

where·​of (h)wer-ˈəv How to pronounce whereof (audio)
-ˈäv,
(ˌ)(h)wər-
1
archaic : with or by which
2
: of what
knows whereof she speaks
3
a
: of which
books whereof the best are lost
b
: of whom

whereof

2 of 2

adverb

archaic
: of what
whereof are you madeWilliam Shakespeare

Examples of whereof in a Sentence

Recent Examples on the Web
Adverb
Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction. Michael Harriot, The Root, 12 June 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'whereof.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

Conjunction

13th century, in the meaning defined at sense 1

Adverb

13th century, in the meaning defined above

Time Traveler
The first known use of whereof was in the 13th century

Dictionary Entries Near whereof

Cite this Entry

“Whereof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whereof. Accessed 28 Mar. 2024.

Kids Definition

whereof

conjunction
where·​of
-ˈəv,
-ˈäv
1
: of what
knows whereof she speaks
2
: of which or whom
wrote many books whereof the best are lost

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