proliferate
verb (used with or without object)
to grow or produce by multiplication of parts, as in budding or cell division, or by procreation.
were proliferating
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past progressiveof proliferate.past progressive
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
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 move follows local media reports that the filters were proliferating on social media.
From BBC ● Sep. 8, 2022
The ticker helped define the look of cable news, helping it stand out in a TV landscape where choices were proliferating.
From Los Angeles Times ● Sep. 10, 2021
Delivery-only brands __ cooked in another brand’s kitchen and often delivered by third parties like Uber Eats __ were proliferating even before the pandemic.
From Seattle Times ● Feb. 17, 2021
In the early 2000s, as cellphones were proliferating around the globe, a flood of cheap batteries from inexperienced manufacturers caused increasing failures, battery experts say.
From The Wall Street Journal ● Oct. 16, 2016
As Mr. Bowler spoke in June, about two dozen workers at computer screens in an office overlooking the Wellington harbor were proliferating a Web and poster campaign.
From New York Times ● Nov. 24, 2012
