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 tale …William 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.
This reduction in ambient noisiness can help make a normal work environment quieter, thereby improving sound quality for employees, and potentially their morale and ability to complete tasks faster. Nia Bowers, USA Today, 29 June 2026 Leaders must recognize these dynamics, make decision processes transparent, and actively rotate access to ensure influence isn't solely tied to proximity, thereby preventing informal access from becoming the only path to power. Benjamin Laker, Forbes.com, 29 June 2026 The Euromaidan demonstrations had begun the previous month when then-president Viktor Yanukovych declined to sign an agreement with the European Union, thereby strengthening the country’s ties with Russia. Leigh Anne Miller, ARTnews.com, 29 June 2026 The model could allow a 3MW unit to go online within a single month of delivery, thereby accelerating revenue generation and improving return on investment. Mrigakshi Dixit, Interesting Engineering, 29 June 2026 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 5 Jul. 2026.

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

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