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.
The treatment, the side effects thereof, all uncharted territory for me prior to this. — Veronica Ortega, CBS News, 7 Oct. 2026 There is no room in Florida for political violence of the threat thereof. — Peggy Gossett-Seidman, Sun Sentinel, 23 Sep. 2026 While astronomers continue to debate the definition of planet and the implications thereof, the public has come together multiple times to defend Pluto's title. — Brett Tingley, Space.com, 24 Aug. 2026 Get knocked out of qualifying for a tournament, and whether by ranking, luck of a draw, some combination thereof — or just hanging around (depending on the event) a player can get a reprieve and find themselves in the first round. — James Hansen, New York Times, 27 July 2026 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

Phrases Containing thereof

Rhymes for thereof

See All Rhymes for thereof

Browse Nearby Words

thereness
thereof
thereon
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Cite this Entry

“Thereof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thereof. Accessed 14 Oct. 2026.

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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
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