a person who acts in stage plays, motion pictures, television broadcasts, etc.
a person who does something; participant.

1350–1400; Middle English < Latin āctor, equivalent to āg- (see act) + -tor -tor

nonactor, noun Unabridged


noun Classical Mythology.
a brother of King Augeas, sometimes believed to be the father, by Molione, of Eurytus and Cteatus.
Compare Moliones. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
actor (ˈæktə)
1.  a person who acts in a play, film, broadcast, etc
2.  informal a person who puts on a false manner in order to deceive others (often in the phrase bad actor)
usage  The term actor is almost universally used nowadays to refer to people of either gender who act

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

late 14c., "an overseer, a plaintiff," from L. actor "an agent or doer," from pp. stem of agere (see act). Sense of "one who performs in plays" is 1580s, originally applied to both men and women.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

Actor definition

An object-oriented language for Microsoft Windows written by Charles Duff of the Whitewater Group ca. 1986. It has Pascal/C-like syntax. Uses a token-threaded interpreter. Early binding is an option.
["Actor Does More than Windows", E.R. Tello, Dr Dobb's J 13(1):114-125 (Jan 1988)].

actor definition

1. In object-oriented programming, an object which exists as a concurrent process.
2. In Chorus, the unit of resource allocation.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences for actor
Despite rumours of a comeback, the actor never returned to the series.
But what i did is just backstory embellishment that any actor will do.
He also became a successful character actor in television and film.
Several methods exist to dispel the curse, depending on the actor.
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