proliferate
verb (used with or without object)
to grow or produce by multiplication of parts, as in budding or cell division, or by procreation.
was proliferating
-
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.
“Casual anti-Palestinian, anti-Arab, and anti-Muslim hateful rhetoric” was proliferating, Ms. Hudson said, and needed to be stopped.
From The Wall Street Journal ● Oct. 30, 2025
After learning to spot fake ship movements, Windward researchers realized the technology was proliferating at lightning speed.
From New York Times ● Sep. 3, 2022
This week, as coverage of the scandal was proliferating, one of the few places where it wasn’t discussed was on “The O’Reilly Factor.”
From The New Yorker ● Apr. 7, 2017
