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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This nifty setup enables the masts to be tilted and rotated to maximize the wind, thereby reducing fuel consumption, lowering operating costs, and increasing efficiency.
—Rachel Cormack, Robb Report, 24 June 2025
This noise reduction capability enables urban operations in areas previously restricted due to sound pollution, thereby greatly expanding the potential market for air travel.
—Trefis Team, Forbes.com, 24 June 2025
According to a new study, combining exercise with omega-3 supplements reduced inflammation and, thereby, the severity of a chronic tooth root infection.
—New Atlas, 22 June 2025
Housing projects would be incentivized in that transit corridor, thereby hiking heights for residential buildings from 155 feet to up to 500 feet, Shen said.
—Gayla Cawley, Boston Herald, 21 June 2025
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Rachel Cormack, Robb Report, 24 June 2025
This noise reduction capability enables urban operations in areas previously restricted due to sound pollution, thereby greatly expanding the potential market for air travel.
—Trefis Team, Forbes.com, 24 June 2025
According to a new study, combining exercise with omega-3 supplements reduced inflammation and, thereby, the severity of a chronic tooth root infection.
—New Atlas, 22 June 2025
Housing projects would be incentivized in that transit corridor, thereby hiking heights for residential buildings from 155 feet to up to 500 feet, Shen said.
—Gayla Cawley, Boston Herald, 21 June 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 1 Jul. 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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