expand
verb (used with object)
to increase in extent, size, volume, scope, etc..
has been expanding
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present perfect progressiveof expand (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
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 airline launched in 2009 and has been expanding quickly.
From The Wall Street Journal ● Oct. 5, 2026
Despite US export bans on critical chips, Chinese AI innovation has been expanding, driven by open-source technology and Beijing's backing.
From BBC ● Sep. 14, 2026
The company’s robotaxi service, which kicked off in Austin in June 2025, has been expanding more slowly than some investors had hoped.
From MarketWatch ● Sep. 3, 2026
The Los Gatos, Calif., streamer over time has been expanding its library of content, adding games, live programming such as boxing matches and football games, alongside movies and TV shows.
From Los Angeles Times ● Jul. 7, 2026
Very likely, the universe has been expanding since the Big Bang, but it is by no means clear that it will continue to expand forever.
From "Cosmos" by Carl Sagan
