- present participle of act.
acting
Americanadjective
-
serving temporarily, especially as a substitute during another's absence; not permanent; temporary.
the acting mayor.
- Synonyms:
- interim, provisional
-
designed, adapted, or suitable for stage performance.
-
provided with detailed stage directions for the performer.
an acting version of a play.
noun
adjective
-
taking on duties temporarily, esp as a substitute for another
the acting president
-
operating or functioning
an acting order
-
intended for stage performance; provided with directions for actors
an acting version of ``Hedda Gabler''
noun
Other Word Forms
Etymology
Origin of acting
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The self-declared modern-day Miss Marple warned Kenny to be on the lookout for anyone acting differently, reasoning that "if you're suddenly a traitor, you're going to be a bit on high alert".
From BBC ● Oct. 17, 2026
Rodriguez had pursued acting before going into stand-up comedy.
From Los Angeles Times ● Oct. 16, 2026
Unlike ocean waves, which move through water, atmospheric gravity waves are disturbances that propagate through the air, with gravity acting as a restoring force.
From Science Daily ● Oct. 16, 2026
Chuck Grom, a retail analyst at Gordon Haskett, says even some middle to upper-middle class people “are acting like low income shoppers lately.”
From The Wall Street Journal ● Oct. 15, 2026
Rowdy thought he had found another friend and was acting like he was very proud of what he had done.
From "Summer of the Monkeys" by Wilson Rawls
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.