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acting

[ak-ting]
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adjective
  1. serving temporarily, especially as a substitute during another's absence; not permanent; temporary: the acting mayor.
  2. designed, adapted, or suitable for stage performance.
  3. provided with detailed stage directions for the performer: an acting version of a play.
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noun
  1. the art, profession, or activity of those who perform in stage plays, motion pictures, etc.
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Origin of acting

First recorded in 1595–1605; act + -ing2, -ing1
Related formspro·act·ing, adjectiveun·act·ing, adjective

Synonyms

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1. provisional, interim.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pro-acting

acting

adjective (prenominal)
  1. taking on duties temporarily, esp as a substitute for anotherthe acting president
  2. operating or functioningan acting order
  3. intended for stage performance; provided with directions for actorsan acting version of ``Hedda Gabler''
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noun
  1. the art or profession of an actor
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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 pro-acting

acting

adj.

1590s, "putting forth activity," present participle adjective from act (v.). Meaning "performing temporary duties" is from 1797.

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acting

n.

c.1600, "performance of deeds;" 1660s, "performance of plays;" verbal noun from present participle of act (v.). Acting out in psychology is from 1945.

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Online Etymology Dictionary, © 2010 Douglas Harper