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 supply plan encompasses multiple sub-brands, including Qiyuan, Deepal, Avatr, and Uni, thereby positioning the technology for broader adoption across various vehicle segments. Jijo Malayil, Interesting Engineering, 6 Feb. 2026 With the passage of the INA, Congress tasked immigration courts with handling removal proceedings, thereby stripping district courts of jurisdiction over immigration matters. Kaelan Deese, The Washington Examiner, 6 Feb. 2026 The timing of the election initially prompted concern from Kane County Board Chair Corinne Pierog, who expressed the opinion that selecting a candidate to fill the seat now would enable that individual to claim to be the incumbent, thereby giving them an edge in the election. Molly Morrow, Chicago Tribune, 6 Feb. 2026 Nutritional strategies that promote satiety and lower insulin — such as low-carbohydrate and particularly ketogenic diets — enable the body to use fat as its primary fuel source, thereby improving insulin sensitivity and overall metabolic health. Bret Scher, San Diego Union-Tribune, 5 Feb. 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 12 Feb. 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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