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.
Recent Examples on the Web
In her very long and very twisty new novel, the author examines a Depression-era sterilization law in Mississippi, thereby connecting three white female characters.
—Bethanne Patrick, Los Angeles Times, 1 May 2026
Instead of acting independently, the forces influence one another to amplify the ion’s motion, thereby tricking the system into generating a much stronger, more complex interaction than either force could achieve alone.
—Mrigakshi Dixit, Interesting Engineering, 1 May 2026
Her three towering masts, which stand at approximately 328 feet and support over 16,000 square feet of rigid sails, can be rotated a full 360 degrees to maximize the wind, thereby reducing fuel consumption, lowering operating costs, and increasing efficiency.
—Rachel Cormack, Robb Report, 30 Apr. 2026
Pedunculagin stimulates the release of enzymes that trigger NO synthesis, thereby reducing blood pressure as NO levels increase.
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Bethanne Patrick, Los Angeles Times, 1 May 2026
Instead of acting independently, the forces influence one another to amplify the ion’s motion, thereby tricking the system into generating a much stronger, more complex interaction than either force could achieve alone.
—Mrigakshi Dixit, Interesting Engineering, 1 May 2026
Her three towering masts, which stand at approximately 328 feet and support over 16,000 square feet of rigid sails, can be rotated a full 360 degrees to maximize the wind, thereby reducing fuel consumption, lowering operating costs, and increasing efficiency.
—Rachel Cormack, Robb Report, 30 Apr. 2026
Pedunculagin stimulates the release of enzymes that trigger NO synthesis, thereby reducing blood pressure as NO levels increase.
—Md Published, Verywell Health, 28 Apr. 2026
See All Example Sentences for thereby
Cite this Entry
“Thereby.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thereby. Accessed 5 May. 2026.
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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