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.
The platonic ideal is to have AI models developed by domestic researchers, on domestic hardware, capturing domestic values, thereby ensuring the technology’s control by the government and independence of external interference. Nikita Ostrovsky, Time, 18 June 2026 The goal of the CCGP is to make conditions safer and more accommodating for pedestrians and bicyclists, thereby encouraging more people to use these healthy and environmentally sustainable modes of travel. Sean Krofssik, Hartford Courant, 17 June 2026 Finan echoed this sentiment, stating that the residential format can be an invitation for guests to discover Florence in each of its seasons, thereby contributing to a more balanced rhythm of visitation throughout the year. Andrea Onate, Footwear News, 16 June 2026 The plan was to reinforce control over Nigerien territory, thereby stabilizing one of the main transit countries for migrants attempting to reach the Italian and European coasts. Kaitlyn Rabe, The Conversation, 16 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 22 Jun. 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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