- present perfect progressive of act (3rd person singular).
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.
Uber’s daily chart shows it has been acting strongly against software rivals since December.
From Barron's • May 7, 2026
The E.U. has been acting to check the monopolies of Big Tech in Europe, hitting companies with hefty fines and launching investigations into data policies.
From MarketWatch • Apr. 16, 2026
Westcott, who has been acting CEO since December, isn’t likely to shift strategy much.
From The Wall Street Journal • Mar. 19, 2026
Donald Trump has been acting a little weird lately, even for him.
From Slate • Jan. 26, 2026
Miep has been acting much nicer toward us since her talk with Father.
From "The Diary of a Young Girl" by Anne Frank
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