thereby

adverb

there·​by t͟her-ˈbī How to pronounce thereby (audio)
ˈt͟her-ˌbī
1
: by that : by that means
thereby lost her chance to win
2
: connected with or with reference to that
thereby hangs a taleWilliam Shakespeare

Examples of thereby in a Sentence

He signed the contract, thereby forfeiting his right to the property.
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.
Trump frequently criticized Bezos during his first term, accusing Amazon’s business model of undercutting competitors on price and thereby harming traditional brick-and-mortar establishments. Robert Goulder, Forbes.com, 19 May 2025 Whatever the result, Friday night’s game is expected to suck all the air out of the room, thereby lowering guidance somewhat for Ion’s two-fer. Anthony Crupi, Sportico.com, 16 May 2025 This relentless haunting continues until the victim succumbs, typically by suicide in front of another witness, thereby transferring the curse to the next individual. Jane Lacroix, People.com, 15 May 2025 Manisha Goel, an associate professor of economics at Pomona College, attributed the discrepancy to California’s housing crisis, which has driven up property values and thereby boosted regional inflation. Malia Mendez, Los Angeles Times, 15 May 2025 See All Example Sentences for thereby

Word History

First Known Use

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

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

Cite this Entry

“Thereby.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thereby. Accessed 26 May. 2025.

Kids Definition

thereby

adverb
there·​by t͟ha(ə)r-ˈbī How to pronounce thereby (audio)
t͟he(ə)r-;
ˈt͟ha(ə)r-ˌbī,
ˈt͟he(ə)r-
1
: by that : by that means
thereby lost her chance to win
2
: connected with or with reference to that
thereby hangs a tale

More from Merriam-Webster on thereby

Last Updated: - Updated example sentences
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