• synonyms


[th air-uhv, -ov]
  1. of that or it.
  2. from or out of that origin or cause.
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Origin of thereof

before 1000; Middle English therof, Old English thǣrof. See there, of1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for thereof

Contemporary Examples

Historical Examples

  • Let him set sail: this is the sum: thereof be thou our messenger.'

  • The bread of the needy is their life; he that defraudeth them thereof is a man of blood.

    Las Casas

    Alice J. Knight

  • However, not to leave you disconsolate, I will tell you some thereof.

  • You may safely make the peasants a present thereof, as it will be mostly filled by them.

    The Day of Wrath

    Maurus Jkai

  • If his friends should ever hear of her, they could not inform him thereof, as no one knew where he was.

    Alonzo and Melissa

    Daniel Jackson, Jr.

British Dictionary definitions for thereof


adverb formal
  1. of or concerning that or it
  2. from or because of that
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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 thereof


Old English þær of; see there + of.

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Online Etymology Dictionary, © 2010 Douglas Harper