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
William ShakespeareExamples of thereby in a Sentence
He signed the contract, thereby forfeiting his right to the property.
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The ferment is also composed of scalp-benefitting prebiotics and honey (which is a humectant and thereby amps up hydration).
—Stacia Datskovska, Footwear News, 27 Dec. 2025
The findings suggest that gravitational forces that shift as the star decays can destabilize surviving planets and smaller bodies such as asteroids, thereby triggering collisions and sending fragments spiraling inward to their destruction.
—Sharmila Kuthunur, Space.com, 26 Dec. 2025
Instead of using binary bits that are either a 0 or a 1, quantum computers use quantum bits or qubits that can store values of 0 and 1 and everything in between, thereby exponentially increasing computational prowess.
—Ameya Paleja, Interesting Engineering, 26 Dec. 2025
His project focuses on the development of a plastic-eating bacteria that will completely break down plastics, thereby reducing its impact on the environment.
—Gabrielle Chenault, Nashville Tennessean, 25 Dec. 2025
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Stacia Datskovska, Footwear News, 27 Dec. 2025
The findings suggest that gravitational forces that shift as the star decays can destabilize surviving planets and smaller bodies such as asteroids, thereby triggering collisions and sending fragments spiraling inward to their destruction.
—Sharmila Kuthunur, Space.com, 26 Dec. 2025
Instead of using binary bits that are either a 0 or a 1, quantum computers use quantum bits or qubits that can store values of 0 and 1 and everything in between, thereby exponentially increasing computational prowess.
—Ameya Paleja, Interesting Engineering, 26 Dec. 2025
His project focuses on the development of a plastic-eating bacteria that will completely break down plastics, thereby reducing its impact on the environment.
—Gabrielle Chenault, Nashville Tennessean, 25 Dec. 2025
See All Example Sentences for thereby
Cite this Entry
“Thereby.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thereby. Accessed 29 Dec. 2025.
Copy CitationKids Definition
thereby
adverb
there·by
t͟ha(ə)r-ˈbī 
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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