have proliferated
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present perfectof proliferate.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
proliferateverb (used with or without object)to grow or produce by multiplication of parts, as in budding or cell division, or by procreation.
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.
Derivative-based strategies designed to provide income have proliferated in the ETF market — from autocallable funds that use swaps, to covered-call strategies involving options.
From MarketWatch ● Sep. 24, 2026
Labels and the maple leaf from the Canadian flag clearly identifying products' origins have proliferated in stores since last year.
From Barron's ● Aug. 26, 2026
But they have proliferated since rising rates pulled down pension plans’ obligations faster than their assets.
From The Wall Street Journal ● Aug. 20, 2026
Hacks to game the system have proliferated on social media.
From The Wall Street Journal ● Jul. 20, 2026
Systems based on principles as different as theocracy, monarchy, aristocracy, oligarchy, republic, democracy and near anarchy have proliferated freely, along with innovations without end that have sought to combine various desirable features of these possibilities.
From Century of Light by Baha'i International Community