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Definitions

acting

[ak-ting] / ˈæk tɪŋ /
ADJECTIVE
substituting in a role
Synonyms
STRONG
adjutant alternate assistant delegated deputy interim surrogate temporary
WEAK
ad interim pro tem pro tempore provisional
Antonyms
WEAK
permanent
NOUN
entertaining, performing
Synonyms
STRONG
assuming characterization depiction dramatics dramatizing enacting enactment feigning hamming histrionics imitating imitation impersonation improvisation mime mimicry pantomime performance playing portrayal portraying posing posturing pretending pretense putting rendition seeming simulating stagecraft stooging theatre theatricals
WEAK
play acting showing off

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.

China says it is acting inside its territorial waters.

From The Wall Street Journal • Apr. 11, 2026

He thinks trials will show that ORKA-001 is more effective than Skyrizi, and not just longer acting.

From Barron's • Apr. 10, 2026

Jackson left the business decades ago to be a full-time mother, but suggested during the panel she might be open to acting again as well.

From Los Angeles Times • Apr. 10, 2026

There have been several rounds of talks, with the US acting as a mediator, but the process has been on hold since Donald Trump shifted his focus to the Middle East.

From BBC • Apr. 9, 2026

“Whoa, what if there are lots of professors acting as secret double agents? Professor Treebaun was a real jerk back at the Academy, I could totally see him as a double agent. Couldn’t you, Blake?”

From "Glitch" by Laura Martin