Dictionary.com
definitions
  • synonyms

thereby

[th air-bahy, th air-bahy]
See more synonyms for thereby on Thesaurus.com
adverb
  1. by that; by means of that.
  2. in that connection or relation: Thereby hangs a tale.
  3. by or near that place.
  4. Scot. about that number, quantity, or degree.
Show More

Origin of thereby

before 900; Middle English therby, Old English thǣrbī. See there, by1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for thereby

through, with, so

Examples from the Web for thereby

Contemporary Examples of thereby

Historical Examples of thereby

  • Winkleman said only what he had agreed to say; and thereby earned his finger.

    The Leopard Woman

    Stewart Edward White

  • Let Old Eaton have his way, if thereby they might beguile him into paving theirs.

    Tiverton Tales

    Alice Brown

  • But I preferred to let you have it, hoping, as I do, thereby to retain you as my friend down in your parts.

    Albert Durer

    T. Sturge Moore

  • He was now able to sell his wares and thereby maintain his family in comfort.

    Self-Help

    Samuel Smiles

  • Thereby not worrying about any slip-ups with the local authorities.

    Arm of the Law

    Harry Harrison


British Dictionary definitions for thereby

thereby

adverb
  1. by that means; because of that
  2. archaic by or near that place; thereabouts
Show More
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

Word Origin and History for thereby

adv.

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

Show More
Online Etymology Dictionary, © 2010 Douglas Harper