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proliferate

C1
verb

Pronunciation

UK

  • /prəlˈɪfərˌeɪt/

US

  • /proʊˈlɪfərˌeɪt/

Description

Imagine dandelions in your yard after a spring rain—they proliferate, meaning they increase at an astonishing rate! It's not just about numbers, though. Ideas can proliferate through social media, rumors can proliferate through a school hallway, and even problems can proliferate if left unchecked.

The word traces back to Latin roots linked to producing offspring. So, when something proliferates, it grows and spreads as if it is making more of itself. You might say misinformation proliferated during an election, or that new coffee shops are proliferating in your neighborhood. It is often used when something is spreading fast, sometimes in a way that is hard to manage.

Examples

  1. 1

    Garden weeds

    Weeds proliferate in the garden after a week of rain.

  2. 2

    City business

    Small coffee shops have proliferated across the city in recent years.

  3. 3

    Online rumors

    During the crisis, false rumors proliferated online.

  4. 4

    Fitness apps

    Cheap fitness apps proliferated as more people started exercising at home.

  5. 5

    Medical growth

    Cancer cells can proliferate if treatment does not stop them.

  6. 6

    Regional security

    The report warned that armed drones could proliferate in the region.

Forms and spellings

4 forms open this card.

Main spelling

  • proliferateverb

Forms

  • proliferatedpast tenseverb
  • proliferating-ing formverb
  • proliferatesverb