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[n. in-ter-pley; v. in-ter-pley, in-ter-pley] /n. ˈɪn tərˌpleɪ; v. ˌɪn tərˈpleɪ, ˈɪn tərˌpleɪ/
reciprocal relationship, action, or influence:
the interplay of plot and character.
verb (used without object)
to exert influence on each other.
Origin of interplay
1860-65; inter- + play Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for interplay
Contemporary Examples
Historical Examples
  • Here we have the interplay of the forces of natural and vicinal location.

    Influences of Geographic Environment Ellen Churchill Semple
  • And the interplay of the two might, had Germany held aloof, have led to a compromise.

    England and Germany Emile Joseph Dillon
  • You are resolved that your course should dramatise the whole play and interplay of force and matter.

  • Head and hands best co-operate in this interplay of services.

    Concord Days A. Bronson Alcott
  • There must be noted the conditions of demand and supply, the interplay and final equilibrium of the two forces.

    The Principles of Economics Frank A. Fetter
British Dictionary definitions for interplay


reciprocal and mutual action and reaction, as in circumstances, events, or personal relations
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 interplay

1862, from inter- + play. "Reciprocal play," thus "free interaction."

Online Etymology Dictionary, © 2010 Douglas Harper
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