thereof

adverb

there·​of t͟her-ˈəv How to pronounce thereof (audio)
-ˈäv
1
: of that or it
2
: from that cause or particular : therefrom

Examples of thereof in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, the Fed buys and sells Treasury securities, or short-term derivatives thereof, daily. Edward Lotterman, Twin Cities, 31 Aug. 2025 Competition Bites - This situation, or some variation thereof, is common in the sports agent business. Chris Deubert, Forbes.com, 15 Aug. 2025 The records show that 24 faced charges of camping, camping and trespassing, storing personal property in public, blocking a sidewalk, or some combination thereof. Ariane Lange, Sacbee.com, 15 Aug. 2025 And this spacer yarn could be polyester, nylon, polypropylene, viscose, acrylic, cotton, wool or a combination thereof, per the patent filing. Alexandra Harrell, Sourcing Journal, 12 Aug. 2025 See All Example Sentences for thereof

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of thereof was before the 12th century

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Cite this Entry

“Thereof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thereof. Accessed 11 Sep. 2025.

Kids Definition

thereof

adverb
there·​of t͟ha-ˈrəv How to pronounce thereof (audio)
-ˈräv,
t͟he-
1
: of that or it
the problem and solution thereof
2
: from that cause or particular : therefrom

More from Merriam-Webster on thereof

Last Updated: - Updated example sentences
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