9 Grammatical Pitfalls


[th air-bahy, th air-bahy] /ˌðɛərˈbaɪ, ˈðɛərˌbaɪ/
by that; by means of that.
in that connection or relation:
Thereby hangs a tale.
by or near that place.
Scot. about that number, quantity, or degree.
Origin of thereby
before 900; Middle English therby, Old English thǣrbī. See there, by1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for thereby
  • Physical activity also helps the body use calories more efficiently, thereby helping in weight loss and maintenance.
  • Economists and other busybodies chide them for not spending more, thereby stimulating the economy.
  • If there are other such symmetries, they connect more bosons and fermions and thereby unify more aspects of our universe.
  • Religion placed immortal supernatural beings at the top of the clan, thereby reducing everyday violence between adherents.
  • Many vessels were wrecked, and the lose of life caused thereby is considerable.
  • The company's goal is to reduce the costs of borrowing, thereby.
  • thereby the bubble creates a rapid swirling motion of the fluid, attracting the cells and tearing apart their membranes.
  • The new income figures exclude these mutual funds' distributions, thereby sharply lowering the personal savings rate.
  • Rain barrels capture water that would have swept over a paved surface or lawn, thereby minimizing runoff pollutants.
  • Such findings as these could dramatically reduce the guesswork involved, thereby leading to the proper prescription from day one.
British Dictionary definitions for thereby


/ˌðɛəˈbaɪ; ˈðɛəˌbaɪ/
by that means; because of that
(archaic) by or near that place; thereabouts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for thereby

Old English þærbig "by means of or because of that;" see there + by. Cf. German dabei, Dutch daarbij.

Online Etymology Dictionary, © 2010 Douglas Harper
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