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[th air-in] /ˌðɛərˈɪn/
in or into that place or thing.
in that matter, circumstance, etc.
Origin of therein
before 1000; Middle English therin, Old English thǣrin. See there, in Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for therein
Contemporary Examples
Historical Examples
  • therein he stands contrasted with many of the younger English poets, and with his own compatriots.

  • On the whole they preferred wages, and therein showed their sense, I think.

  • therein lay his importance for the age he lived in; therein lies his interest for us.

  • It now only remained to get the tapir into it, but therein lay the difficulty.

    The Forest Exiles Mayne Reid
  • But Falconer could be indifferent to much dislike, and therein I know some men that envy him.

    Robert Falconer George MacDonald
British Dictionary definitions for therein


(formal) in or into that place, thing, etc
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 therein

Old English þærin; see there + in.

Online Etymology Dictionary, © 2010 Douglas Harper
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