proliferate
verb (used with or without object)
to grow or produce by multiplication of parts, as in budding or cell division, or by procreation.
had proliferated
-
past perfectof proliferate.past perfect
Used to express a completed action that took place before another specific past action occurred.
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.
That it chose not to is almost certainly down to its frustration then over the scam centres which had proliferated in areas controlled by clans allied to the junta.
From BBC ● Oct. 22, 2025
Non-native grasslands had proliferated after the closing of the sugar and pineapple fields, but many thinly walled wooden plantation homes still stood.
From Salon ● Aug. 18, 2023
Agriculture Department had concluded that grasshoppers had proliferated to the level deemed a severe outbreak and would not only consume grasses essential to grazing cattle but also would pose a threat to the ecosystem.
From Seattle Times ● Jul. 1, 2023
Many companies had taken big positions in highly leveraged mortgage bonds that had proliferated in previous years.
From Reuters ● Mar. 25, 2023
The rear garden was a tangled jungle in which every type of plant and flower had proliferated and where Clara’s birds kept up a steady din, along with many generations of cats and dogs.
From "The House of the Spirits: A Novel" by Isabel Allende
